19696495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 29538432

約数和(自身を除く): 9841937

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 593, 949, 2555, 2965, 4151, 4745, 6643, 7709, 20755, 33215, 38545, 43289, 53963, 216445, 269815, 303023, 562757, 1515115, 2813785, 3939299, 19696495]

約数ペア:

[(1, 19696495), (5, 3939299), (7, 2813785), (13, 1515115), (35, 562757), (65, 303023), (73, 269815), (91, 216445), (365, 53963), (455, 43289), (511, 38545), (593, 33215), (949, 20755), (2555, 7709), (2965, 6643), (4151, 4745)]