18106879

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 21196800

約数和(自身を除く): 3089921

約数列:

[1, 7, 79, 137, 239, 553, 959, 1673, 10823, 18881, 32743, 75761, 132167, 229201, 2586697, 18106879]

約数ペア:

[(1, 18106879), (7, 2586697), (79, 229201), (137, 132167), (239, 75761), (553, 32743), (959, 18881), (1673, 10823)]