18990255

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9241}}^1$

素因数の和:9386

約数の個数: 16

約数和(自身を含む): 30609504

約数和(自身を除く): 11619249

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9241, 27723, 46205, 138615, 1266017, 3798051, 6330085, 18990255]

約数ペア:

[(1, 18990255), (3, 6330085), (5, 3798051), (15, 1266017), (137, 138615), (411, 46205), (685, 27723), (2055, 9241)]