18948579

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1249}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 27300000

約数和(自身を除く): 8351421

約数列:

[1, 3, 13, 39, 389, 1167, 1249, 3747, 5057, 15171, 16237, 48711, 485861, 1457583, 6316193, 18948579]

約数ペア:

[(1, 18948579), (3, 6316193), (13, 1457583), (39, 485861), (389, 48711), (1167, 16237), (1249, 15171), (3747, 5057)]