18220980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{303683}}^1$

素因数の和:303695

約数の個数: 24

約数和(自身を含む): 51018912

約数和(自身を除く): 32797932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 303683, 607366, 911049, 1214732, 1518415, 1822098, 3036830, 3644196, 4555245, 6073660, 9110490, 18220980]

約数ペア:

[(1, 18220980), (2, 9110490), (3, 6073660), (4, 4555245), (5, 3644196), (6, 3036830), (10, 1822098), (12, 1518415), (15, 1214732), (20, 911049), (30, 607366), (60, 303683)]