18810558

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{80387}}^1$

素因数の和:80408

約数の個数: 24

約数和(自身を含む): 43891848

約数和(自身を除く): 25081290

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 80387, 160774, 241161, 482322, 723483, 1045031, 1446966, 2090062, 3135093, 6270186, 9405279, 18810558]

約数ペア:

[(1, 18810558), (2, 9405279), (3, 6270186), (6, 3135093), (9, 2090062), (13, 1446966), (18, 1045031), (26, 723483), (39, 482322), (78, 241161), (117, 160774), (234, 80387)]