18040945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{641}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 23404752

約数和(自身を除く): 5363807

約数列:

[1, 5, 13, 65, 433, 641, 2165, 3205, 5629, 8333, 28145, 41665, 277553, 1387765, 3608189, 18040945]

約数ペア:

[(1, 18040945), (5, 3608189), (13, 1387765), (65, 277553), (433, 41665), (641, 28145), (2165, 8333), (3205, 5629)]