18317065

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 24309720

約数和(自身を除く): 5992655

約数列:

[1, 5, 13, 53, 65, 169, 265, 409, 689, 845, 2045, 3445, 5317, 8957, 21677, 26585, 44785, 69121, 108385, 281801, 345605, 1409005, 3663413, 18317065]

約数ペア:

[(1, 18317065), (5, 3663413), (13, 1409005), (53, 345605), (65, 281801), (169, 108385), (265, 69121), (409, 44785), (689, 26585), (845, 21677), (2045, 8957), (3445, 5317)]