18349825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 24748416

約数和(自身を除く): 6398591

約数列:

[1, 5, 13, 25, 65, 131, 325, 431, 655, 1703, 2155, 3275, 5603, 8515, 10775, 28015, 42575, 56461, 140075, 282305, 733993, 1411525, 3669965, 18349825]

約数ペア:

[(1, 18349825), (5, 3669965), (13, 1411525), (25, 733993), (65, 282305), (131, 140075), (325, 56461), (431, 42575), (655, 28015), (1703, 10775), (2155, 8515), (3275, 5603)]