19896935

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 24738912

約数和(自身を除く): 4841977

約数列:

[1, 5, 37, 131, 185, 655, 821, 4105, 4847, 24235, 30377, 107551, 151885, 537755, 3979387, 19896935]

約数ペア:

[(1, 19896935), (5, 3979387), (37, 537755), (131, 151885), (185, 107551), (655, 30377), (821, 24235), (4105, 4847)]