19849830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 128

約数和(自身を含む): 64060416

約数和(自身を除く): 44210586

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 661, 715, 770, 858, 910, 1001, 1155, 1322, 1365, 1430, 1983, 2002, 2145, 2310, 2730, 3003, 3305, 3966, 4290, 4627, 5005, 6006, 6610, 7271, 8593, 9254, 9915, 10010, 13881, 14542, 15015, 17186, 19830, 21813, 23135, 25779, 27762, 30030, 36355, 42965, 43626, 46270, 50897, 51558, 60151, 69405, 72710, 85930, 94523, 101794, 109065, 120302, 128895, 138810, 152691, 180453, 189046, 218130, 254485, 257790, 283569, 300755, 305382, 360906, 472615, 508970, 567138, 601510, 661661, 763455, 902265, 945230, 1323322, 1417845, 1526910, 1804530, 1984983, 2835690, 3308305, 3969966, 6616610, 9924915, 19849830]

約数ペア:

[(1, 19849830), (2, 9924915), (3, 6616610), (5, 3969966), (6, 3308305), (7, 2835690), (10, 1984983), (11, 1804530), (13, 1526910), (14, 1417845), (15, 1323322), (21, 945230), (22, 902265), (26, 763455), (30, 661661), (33, 601510), (35, 567138), (39, 508970), (42, 472615), (55, 360906), (65, 305382), (66, 300755), (70, 283569), (77, 257790), (78, 254485), (91, 218130), (105, 189046), (110, 180453), (130, 152691), (143, 138810), (154, 128895), (165, 120302), (182, 109065), (195, 101794), (210, 94523), (231, 85930), (273, 72710), (286, 69405), (330, 60151), (385, 51558), (390, 50897), (429, 46270), (455, 43626), (462, 42965), (546, 36355), (661, 30030), (715, 27762), (770, 25779), (858, 23135), (910, 21813), (1001, 19830), (1155, 17186), (1322, 15015), (1365, 14542), (1430, 13881), (1983, 10010), (2002, 9915), (2145, 9254), (2310, 8593), (2730, 7271), (3003, 6610), (3305, 6006), (3966, 5005), (4290, 4627)]