18726081

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 27834240

約数和(自身を除く): 9108159

約数列:

[1, 3, 11, 33, 79, 121, 237, 363, 653, 869, 1959, 2607, 7183, 9559, 21549, 28677, 51587, 79013, 154761, 237039, 567457, 1702371, 6242027, 18726081]

約数ペア:

[(1, 18726081), (3, 6242027), (11, 1702371), (33, 567457), (79, 237039), (121, 154761), (237, 79013), (363, 51587), (653, 28677), (869, 21549), (1959, 9559), (2607, 7183)]