18980491778

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{1319}}^1\times {\mathrm{36523}}^1$

素因数の和:38041

約数の個数: 16

約数和(自身を含む): 28637737920

約数和(自身を除く): 9657246142

約数列:

[1, 2, 197, 394, 1319, 2638, 36523, 73046, 259843, 519686, 7195031, 14390062, 48173837, 96347674, 9490245889, 18980491778]

約数ペア:

[(1, 18980491778), (2, 9490245889), (197, 96347674), (394, 48173837), (1319, 14390062), (2638, 7195031), (36523, 519686), (73046, 259843)]