18517590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 288

約数和(自身を含む): 67223520

約数和(自身を除く): 48705930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 19, 21, 26, 30, 34, 35, 38, 39, 42, 45, 49, 51, 57, 63, 65, 70, 78, 85, 90, 91, 95, 98, 102, 105, 114, 117, 119, 126, 130, 133, 147, 153, 170, 171, 182, 190, 195, 210, 221, 234, 238, 245, 247, 255, 266, 273, 285, 294, 306, 315, 323, 342, 357, 390, 399, 441, 442, 455, 490, 494, 510, 546, 570, 585, 595, 630, 637, 646, 663, 665, 714, 735, 741, 765, 798, 819, 833, 855, 882, 910, 931, 969, 1071, 1105, 1170, 1190, 1197, 1235, 1274, 1326, 1330, 1365, 1470, 1482, 1530, 1547, 1615, 1638, 1666, 1710, 1729, 1785, 1862, 1911, 1938, 1989, 1995, 2142, 2205, 2210, 2223, 2261, 2394, 2470, 2499, 2730, 2793, 2907, 3094, 3185, 3230, 3315, 3458, 3570, 3705, 3822, 3978, 3990, 4095, 4165, 4199, 4410, 4446, 4522, 4641, 4655, 4845, 4998, 5187, 5355, 5586, 5733, 5814, 5985, 6370, 6630, 6783, 7410, 7497, 7735, 8190, 8330, 8379, 8398, 8645, 9282, 9310, 9555, 9690, 9945, 10374, 10710, 10829, 11115, 11305, 11466, 11970, 12103, 12495, 12597, 13566, 13923, 13965, 14535, 14994, 15470, 15561, 15827, 16758, 17290, 19110, 19890, 20349, 20995, 21658, 22230, 22610, 23205, 24206, 24990, 25194, 25935, 27846, 27930, 28665, 29070, 29393, 31122, 31654, 32487, 33915, 36309, 37485, 37791, 40698, 41895, 41990, 46410, 47481, 51870, 54145, 57330, 58786, 60515, 62985, 64974, 67830, 69615, 72618, 74970, 75582, 77805, 79135, 83790, 88179, 94962, 97461, 101745, 108290, 108927, 121030, 125970, 139230, 142443, 146965, 155610, 158270, 162435, 176358, 181545, 188955, 194922, 203490, 205751, 217854, 237405, 264537, 284886, 293930, 324870, 363090, 377910, 411502, 440895, 474810, 487305, 529074, 544635, 617253, 712215, 881790, 974610, 1028755, 1089270, 1234506, 1322685, 1424430, 1851759, 2057510, 2645370, 3086265, 3703518, 6172530, 9258795, 18517590]

約数ペア:

[(1, 18517590), (2, 9258795), (3, 6172530), (5, 3703518), (6, 3086265), (7, 2645370), (9, 2057510), (10, 1851759), (13, 1424430), (14, 1322685), (15, 1234506), (17, 1089270), (18, 1028755), (19, 974610), (21, 881790), (26, 712215), (30, 617253), (34, 544635), (35, 529074), (38, 487305), (39, 474810), (42, 440895), (45, 411502), (49, 377910), (51, 363090), (57, 324870), (63, 293930), (65, 284886), (70, 264537), (78, 237405), (85, 217854), (90, 205751), (91, 203490), (95, 194922), (98, 188955), (102, 181545), (105, 176358), (114, 162435), (117, 158270), (119, 155610), (126, 146965), (130, 142443), (133, 139230), (147, 125970), (153, 121030), (170, 108927), (171, 108290), (182, 101745), (190, 97461), (195, 94962), (210, 88179), (221, 83790), (234, 79135), (238, 77805), (245, 75582), (247, 74970), (255, 72618), (266, 69615), (273, 67830), (285, 64974), (294, 62985), (306, 60515), (315, 58786), (323, 57330), (342, 54145), (357, 51870), (390, 47481), (399, 46410), (441, 41990), (442, 41895), (455, 40698), (490, 37791), (494, 37485), (510, 36309), (546, 33915), (570, 32487), (585, 31654), (595, 31122), (630, 29393), (637, 29070), (646, 28665), (663, 27930), (665, 27846), (714, 25935), (735, 25194), (741, 24990), (765, 24206), (798, 23205), (819, 22610), (833, 22230), (855, 21658), (882, 20995), (910, 20349), (931, 19890), (969, 19110), (1071, 17290), (1105, 16758), (1170, 15827), (1190, 15561), (1197, 15470), (1235, 14994), (1274, 14535), (1326, 13965), (1330, 13923), (1365, 13566), (1470, 12597), (1482, 12495), (1530, 12103), (1547, 11970), (1615, 11466), (1638, 11305), (1666, 11115), (1710, 10829), (1729, 10710), (1785, 10374), (1862, 9945), (1911, 9690), (1938, 9555), (1989, 9310), (1995, 9282), (2142, 8645), (2205, 8398), (2210, 8379), (2223, 8330), (2261, 8190), (2394, 7735), (2470, 7497), (2499, 7410), (2730, 6783), (2793, 6630), (2907, 6370), (3094, 5985), (3185, 5814), (3230, 5733), (3315, 5586), (3458, 5355), (3570, 5187), (3705, 4998), (3822, 4845), (3978, 4655), (3990, 4641), (4095, 4522), (4165, 4446), (4199, 4410)]