19899382020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47379481}}^1$

素因数の和:47379500

約数の個数: 48

約数和(自身を含む): 63678023808

約数和(自身を除く): 43778641788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47379481, 94758962, 142138443, 189517924, 236897405, 284276886, 331656367, 473794810, 568553772, 663312734, 710692215, 947589620, 994969101, 1326625468, 1421384430, 1658281835, 1989938202, 2842768860, 3316563670, 3979876404, 4974845505, 6633127340, 9949691010, 19899382020]

約数ペア:

[(1, 19899382020), (2, 9949691010), (3, 6633127340), (4, 4974845505), (5, 3979876404), (6, 3316563670), (7, 2842768860), (10, 1989938202), (12, 1658281835), (14, 1421384430), (15, 1326625468), (20, 994969101), (21, 947589620), (28, 710692215), (30, 663312734), (35, 568553772), (42, 473794810), (60, 331656367), (70, 284276886), (84, 236897405), (105, 189517924), (140, 142138443), (210, 94758962), (420, 47379481)]