18997022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21061}}^1$

素因数の和:21115

約数の個数: 16

約数和(自身を含む): 31845744

約数和(自身を除く): 12848722

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21061, 42122, 231671, 463342, 863501, 1727002, 9498511, 18997022]

約数ペア:

[(1, 18997022), (2, 9498511), (11, 1727002), (22, 863501), (41, 463342), (82, 231671), (451, 42122), (902, 21061)]