19684260968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144737213}}^1$

素因数の和:144737236

約数の個数: 16

約数和(自身を含む): 39079047780

約数和(自身を除く): 19394786812

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144737213, 289474426, 578948852, 1157897704, 2460532621, 4921065242, 9842130484, 19684260968]

約数ペア:

[(1, 19684260968), (2, 9842130484), (4, 4921065242), (8, 2460532621), (17, 1157897704), (34, 578948852), (68, 289474426), (136, 144737213)]