18529651

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 22422528

約数和(自身を除く): 3892877

約数列:

[1, 7, 23, 71, 161, 497, 1621, 1633, 11347, 11431, 37283, 115091, 260981, 805637, 2647093, 18529651]

約数ペア:

[(1, 18529651), (7, 2647093), (23, 805637), (71, 260981), (161, 115091), (497, 37283), (1621, 11431), (1633, 11347)]