18777510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 52416000

約数和(自身を除く): 33638490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 79, 90, 95, 114, 139, 158, 171, 190, 237, 278, 285, 342, 395, 417, 474, 570, 695, 711, 790, 834, 855, 1185, 1251, 1390, 1422, 1501, 1710, 2085, 2370, 2502, 2641, 3002, 3555, 4170, 4503, 5282, 6255, 7110, 7505, 7923, 9006, 10981, 12510, 13205, 13509, 15010, 15846, 21962, 22515, 23769, 26410, 27018, 32943, 39615, 45030, 47538, 54905, 65886, 67545, 79230, 98829, 109810, 118845, 135090, 164715, 197658, 208639, 237690, 329430, 417278, 494145, 625917, 988290, 1043195, 1251834, 1877751, 2086390, 3129585, 3755502, 6259170, 9388755, 18777510]

約数ペア:

[(1, 18777510), (2, 9388755), (3, 6259170), (5, 3755502), (6, 3129585), (9, 2086390), (10, 1877751), (15, 1251834), (18, 1043195), (19, 988290), (30, 625917), (38, 494145), (45, 417278), (57, 329430), (79, 237690), (90, 208639), (95, 197658), (114, 164715), (139, 135090), (158, 118845), (171, 109810), (190, 98829), (237, 79230), (278, 67545), (285, 65886), (342, 54905), (395, 47538), (417, 45030), (474, 39615), (570, 32943), (695, 27018), (711, 26410), (790, 23769), (834, 22515), (855, 21962), (1185, 15846), (1251, 15010), (1390, 13509), (1422, 13205), (1501, 12510), (1710, 10981), (2085, 9006), (2370, 7923), (2502, 7505), (2641, 7110), (3002, 6255), (3555, 5282), (4170, 4503)]