18790684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7001}}^1$

素因数の和:7077

約数の個数: 24

約数和(自身を含む): 36466416

約数和(自身を除く): 17675732

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7001, 14002, 28004, 77011, 154022, 308044, 427061, 854122, 1708244, 4697671, 9395342, 18790684]

約数ペア:

[(1, 18790684), (2, 9395342), (4, 4697671), (11, 1708244), (22, 854122), (44, 427061), (61, 308044), (122, 154022), (244, 77011), (671, 28004), (1342, 14002), (2684, 7001)]