18131620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69737}}^1$

素因数の和:69759

約数の個数: 24

約数和(自身を含む): 41005944

約数和(自身を除く): 22874324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69737, 139474, 278948, 348685, 697370, 906581, 1394740, 1813162, 3626324, 4532905, 9065810, 18131620]

約数ペア:

[(1, 18131620), (2, 9065810), (4, 4532905), (5, 3626324), (10, 1813162), (13, 1394740), (20, 906581), (26, 697370), (52, 348685), (65, 278948), (130, 139474), (260, 69737)]