18212990

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2213}}^1$

素因数の和:3043

約数の個数: 16

約数和(自身を含む): 32838048

約数和(自身を除く): 14625058

約数列:

[1, 2, 5, 10, 823, 1646, 2213, 4115, 4426, 8230, 11065, 22130, 1821299, 3642598, 9106495, 18212990]

約数ペア:

[(1, 18212990), (2, 9106495), (5, 3642598), (10, 1821299), (823, 22130), (1646, 11065), (2213, 8230), (4115, 4426)]