19559961

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2137}}^1$

素因数の和:2262

約数の個数: 20

約数和(自身を含む): 29491572

約数和(自身を除く): 9931611

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2137, 3051, 6411, 9153, 19233, 57699, 173097, 241481, 724443, 2173329, 6519987, 19559961]

約数ペア:

[(1, 19559961), (3, 6519987), (9, 2173329), (27, 724443), (81, 241481), (113, 173097), (339, 57699), (1017, 19233), (2137, 9153), (3051, 6411)]