18201404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{647}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 34419168

約数和(自身を除く): 16217764

約数列:

[1, 2, 4, 13, 26, 52, 541, 647, 1082, 1294, 2164, 2588, 7033, 8411, 14066, 16822, 28132, 33644, 350027, 700054, 1400108, 4550351, 9100702, 18201404]

約数ペア:

[(1, 18201404), (2, 9100702), (4, 4550351), (13, 1400108), (26, 700054), (52, 350027), (541, 33644), (647, 28132), (1082, 16822), (1294, 14066), (2164, 8411), (2588, 7033)]