18928637

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2633}}^1$

素因数の和:2732

約数の個数: 16

約数和(自身を含む): 23600640

約数和(自身を除く): 4672003

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2633, 7189, 18431, 34229, 208007, 239603, 1456049, 2704091, 18928637]

約数ペア:

[(1, 18928637), (7, 2704091), (13, 1456049), (79, 239603), (91, 208007), (553, 34229), (1027, 18431), (2633, 7189)]