20189537541

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{204623}}^1$

素因数の和:205225

約数の個数: 24

約数和(自身を含む): 30750894720

約数和(自身を除く): 10561357179

約数列:

[1, 3, 9, 19, 57, 171, 577, 1731, 5193, 10963, 32889, 98667, 204623, 613869, 1841607, 3887837, 11663511, 34990533, 118067471, 354202413, 1062607239, 2243281949, 6729845847, 20189537541]

約数ペア:

[(1, 20189537541), (3, 6729845847), (9, 2243281949), (19, 1062607239), (57, 354202413), (171, 118067471), (577, 34990533), (1731, 11663511), (5193, 3887837), (10963, 1841607), (32889, 613869), (98667, 204623)]