18956848

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19423}}^1$

素因数の和:19492

約数の個数: 20

約数和(自身を含む): 37332928

約数和(自身を除く): 18376080

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19423, 38846, 77692, 155384, 310768, 1184803, 2369606, 4739212, 9478424, 18956848]

約数ペア:

[(1, 18956848), (2, 9478424), (4, 4739212), (8, 2369606), (16, 1184803), (61, 310768), (122, 155384), (244, 77692), (488, 38846), (976, 19423)]