18854577

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2797}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 31427136

約数和(自身を除く): 12572559

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2797, 6741, 8391, 19579, 25173, 58737, 176211, 299279, 897837, 2094953, 2693511, 6284859, 18854577]

約数ペア:

[(1, 18854577), (3, 6284859), (7, 2693511), (9, 2094953), (21, 897837), (63, 299279), (107, 176211), (321, 58737), (749, 25173), (963, 19579), (2247, 8391), (2797, 6741)]