18697029

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3449}}^1$

素因数の和:3604

約数の個数: 16

約数和(自身を含む): 27048000

約数和(自身を除く): 8350971

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3449, 5421, 10347, 44837, 134511, 479411, 1438233, 6232343, 18697029]

約数ペア:

[(1, 18697029), (3, 6232343), (13, 1438233), (39, 479411), (139, 134511), (417, 44837), (1807, 10347), (3449, 5421)]