18378965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2213}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 24230016

約数和(自身を除く): 5851051

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2213, 8305, 11065, 24343, 121715, 334163, 1670815, 3675793, 18378965]

約数ペア:

[(1, 18378965), (5, 3675793), (11, 1670815), (55, 334163), (151, 121715), (755, 24343), (1661, 11065), (2213, 8305)]