19997232108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2179}}^1\times {\mathrm{109253}}^1$

素因数の和:111446

約数の個数: 48

約数和(自身を含む): 53350913280

約数和(自身を除く): 33353681172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2179, 4358, 6537, 8716, 13074, 15253, 26148, 30506, 45759, 61012, 91518, 109253, 183036, 218506, 327759, 437012, 655518, 764771, 1311036, 1529542, 2294313, 3059084, 4588626, 9177252, 238062287, 476124574, 714186861, 952249148, 1428373722, 1666436009, 2856747444, 3332872018, 4999308027, 6665744036, 9998616054, 19997232108]

約数ペア:

[(1, 19997232108), (2, 9998616054), (3, 6665744036), (4, 4999308027), (6, 3332872018), (7, 2856747444), (12, 1666436009), (14, 1428373722), (21, 952249148), (28, 714186861), (42, 476124574), (84, 238062287), (2179, 9177252), (4358, 4588626), (6537, 3059084), (8716, 2294313), (13074, 1529542), (15253, 1311036), (26148, 764771), (30506, 655518), (45759, 437012), (61012, 327759), (91518, 218506), (109253, 183036)]