19761256

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 38488680

約数和(自身を除く): 18727424

約数列:

[1, 2, 4, 8, 37, 74, 101, 148, 202, 296, 404, 661, 808, 1322, 2644, 3737, 5288, 7474, 14948, 24457, 29896, 48914, 66761, 97828, 133522, 195656, 267044, 534088, 2470157, 4940314, 9880628, 19761256]

約数ペア:

[(1, 19761256), (2, 9880628), (4, 4940314), (8, 2470157), (37, 534088), (74, 267044), (101, 195656), (148, 133522), (202, 97828), (296, 66761), (404, 48914), (661, 29896), (808, 24457), (1322, 14948), (2644, 7474), (3737, 5288)]