18736893

素因数分解:

$3^3\times 7^1\times {\mathrm{99137}}^1$

素因数の和:99153

約数の個数: 16

約数和(自身を含む): 31724160

約数和(自身を除く): 12987267

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 99137, 297411, 693959, 892233, 2081877, 2676699, 6245631, 18736893]

約数ペア:

[(1, 18736893), (3, 6245631), (7, 2676699), (9, 2081877), (21, 892233), (27, 693959), (63, 297411), (189, 99137)]