18828810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 288

約数和(自身を含む): 69713280

約数和(自身を除く): 50884470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 19, 21, 22, 26, 30, 33, 35, 38, 39, 42, 45, 55, 57, 63, 65, 66, 70, 77, 78, 90, 91, 95, 99, 105, 110, 114, 117, 121, 126, 130, 133, 143, 154, 165, 171, 182, 190, 195, 198, 209, 210, 231, 234, 242, 247, 266, 273, 285, 286, 315, 330, 342, 363, 385, 390, 399, 418, 429, 455, 462, 494, 495, 546, 570, 585, 605, 627, 630, 665, 693, 715, 726, 741, 770, 798, 819, 847, 855, 858, 910, 990, 1001, 1045, 1089, 1155, 1170, 1197, 1210, 1235, 1254, 1287, 1330, 1365, 1386, 1430, 1463, 1482, 1573, 1638, 1694, 1710, 1729, 1815, 1881, 1995, 2002, 2090, 2145, 2178, 2223, 2299, 2310, 2394, 2470, 2541, 2574, 2717, 2730, 2926, 3003, 3135, 3146, 3458, 3465, 3630, 3705, 3762, 3990, 4095, 4235, 4290, 4389, 4446, 4598, 4719, 5005, 5082, 5187, 5434, 5445, 5985, 6006, 6270, 6435, 6897, 6930, 7315, 7410, 7623, 7865, 8151, 8190, 8470, 8645, 8778, 9009, 9405, 9438, 10010, 10374, 10890, 11011, 11115, 11495, 11970, 12705, 12870, 13167, 13585, 13794, 14157, 14630, 15015, 15246, 15561, 15730, 16093, 16302, 17290, 18018, 18810, 19019, 20691, 21945, 22022, 22230, 22990, 23595, 24453, 25410, 25935, 26334, 27170, 28314, 29887, 30030, 31122, 32186, 33033, 34485, 38038, 38115, 40755, 41382, 43890, 45045, 47190, 48279, 48906, 51870, 55055, 57057, 59774, 65835, 66066, 68970, 70785, 76230, 77805, 80465, 81510, 89661, 90090, 95095, 96558, 99099, 103455, 110110, 114114, 122265, 131670, 141570, 144837, 149435, 155610, 160930, 165165, 171171, 179322, 190190, 198198, 206910, 209209, 241395, 244530, 268983, 285285, 289674, 298870, 330330, 342342, 418418, 448305, 482790, 495495, 537966, 570570, 627627, 724185, 855855, 896610, 990990, 1046045, 1255254, 1344915, 1448370, 1711710, 1882881, 2092090, 2689830, 3138135, 3765762, 6276270, 9414405, 18828810]

約数ペア:

[(1, 18828810), (2, 9414405), (3, 6276270), (5, 3765762), (6, 3138135), (7, 2689830), (9, 2092090), (10, 1882881), (11, 1711710), (13, 1448370), (14, 1344915), (15, 1255254), (18, 1046045), (19, 990990), (21, 896610), (22, 855855), (26, 724185), (30, 627627), (33, 570570), (35, 537966), (38, 495495), (39, 482790), (42, 448305), (45, 418418), (55, 342342), (57, 330330), (63, 298870), (65, 289674), (66, 285285), (70, 268983), (77, 244530), (78, 241395), (90, 209209), (91, 206910), (95, 198198), (99, 190190), (105, 179322), (110, 171171), (114, 165165), (117, 160930), (121, 155610), (126, 149435), (130, 144837), (133, 141570), (143, 131670), (154, 122265), (165, 114114), (171, 110110), (182, 103455), (190, 99099), (195, 96558), (198, 95095), (209, 90090), (210, 89661), (231, 81510), (234, 80465), (242, 77805), (247, 76230), (266, 70785), (273, 68970), (285, 66066), (286, 65835), (315, 59774), (330, 57057), (342, 55055), (363, 51870), (385, 48906), (390, 48279), (399, 47190), (418, 45045), (429, 43890), (455, 41382), (462, 40755), (494, 38115), (495, 38038), (546, 34485), (570, 33033), (585, 32186), (605, 31122), (627, 30030), (630, 29887), (665, 28314), (693, 27170), (715, 26334), (726, 25935), (741, 25410), (770, 24453), (798, 23595), (819, 22990), (847, 22230), (855, 22022), (858, 21945), (910, 20691), (990, 19019), (1001, 18810), (1045, 18018), (1089, 17290), (1155, 16302), (1170, 16093), (1197, 15730), (1210, 15561), (1235, 15246), (1254, 15015), (1287, 14630), (1330, 14157), (1365, 13794), (1386, 13585), (1430, 13167), (1463, 12870), (1482, 12705), (1573, 11970), (1638, 11495), (1694, 11115), (1710, 11011), (1729, 10890), (1815, 10374), (1881, 10010), (1995, 9438), (2002, 9405), (2090, 9009), (2145, 8778), (2178, 8645), (2223, 8470), (2299, 8190), (2310, 8151), (2394, 7865), (2470, 7623), (2541, 7410), (2574, 7315), (2717, 6930), (2730, 6897), (2926, 6435), (3003, 6270), (3135, 6006), (3146, 5985), (3458, 5445), (3465, 5434), (3630, 5187), (3705, 5082), (3762, 5005), (3990, 4719), (4095, 4598), (4235, 4446), (4290, 4389)]