18428007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3449}}^1$

素因数の和:3602

約数の個数: 16

約数和(自身を含む): 26661600

約数和(自身を除く): 8233593

約数列:

[1, 3, 13, 39, 137, 411, 1781, 3449, 5343, 10347, 44837, 134511, 472513, 1417539, 6142669, 18428007]

約数ペア:

[(1, 18428007), (3, 6142669), (13, 1417539), (39, 472513), (137, 134511), (411, 44837), (1781, 10347), (3449, 5343)]