18645159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 26863200

約数和(自身を除く): 8218041

約数列:

[1, 3, 13, 39, 389, 1167, 1229, 3687, 5057, 15171, 15977, 47931, 478081, 1434243, 6215053, 18645159]

約数ペア:

[(1, 18645159), (3, 6215053), (13, 1434243), (39, 478081), (389, 47931), (1167, 15977), (1229, 15171), (3687, 5057)]