18981054

素因数分解:

$2^1\times 3^4\times {\mathrm{117167}}^1$

素因数の和:117181

約数の個数: 20

約数和(自身を含む): 42531984

約数和(自身を除く): 23550930

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 117167, 234334, 351501, 703002, 1054503, 2109006, 3163509, 6327018, 9490527, 18981054]

約数ペア:

[(1, 18981054), (2, 9490527), (3, 6327018), (6, 3163509), (9, 2109006), (18, 1054503), (27, 703002), (54, 351501), (81, 234334), (162, 117167)]