18090065

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 25805952

約数和(自身を除く): 7715887

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1571, 1645, 2303, 7855, 10997, 11515, 54985, 73837, 76979, 369185, 384895, 516859, 2584295, 3618013, 18090065]

約数ペア:

[(1, 18090065), (5, 3618013), (7, 2584295), (35, 516859), (47, 384895), (49, 369185), (235, 76979), (245, 73837), (329, 54985), (1571, 11515), (1645, 10997), (2303, 7855)]