19115199

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 28632240

約数和(自身を除く): 9517041

約数列:

[1, 3, 9, 37, 111, 137, 333, 411, 419, 1233, 1257, 3771, 5069, 15207, 15503, 45621, 46509, 57403, 139527, 172209, 516627, 2123911, 6371733, 19115199]

約数ペア:

[(1, 19115199), (3, 6371733), (9, 2123911), (37, 516627), (111, 172209), (137, 139527), (333, 57403), (411, 46509), (419, 45621), (1233, 15503), (1257, 15207), (3771, 5069)]