18998605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 24389424

約数和(自身を除く): 5390819

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2213, 8585, 11065, 37621, 188105, 223513, 1117565, 3799721, 18998605]

約数ペア:

[(1, 18998605), (5, 3799721), (17, 1117565), (85, 223513), (101, 188105), (505, 37621), (1717, 11065), (2213, 8585)]