19240481

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 22781304

約数和(自身を除く): 3540823

約数列:

[1, 13, 17, 37, 169, 181, 221, 481, 629, 2353, 2873, 3077, 6253, 6697, 8177, 30589, 40001, 87061, 106301, 113849, 520013, 1131793, 1480037, 19240481]

約数ペア:

[(1, 19240481), (13, 1480037), (17, 1131793), (37, 520013), (169, 113849), (181, 106301), (221, 87061), (481, 40001), (629, 30589), (2353, 8177), (2873, 6697), (3077, 6253)]