18530360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11299}}^1$

素因数の和:11351

約数の個数: 32

約数和(自身を含む): 42714000

約数和(自身を除く): 24183640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11299, 22598, 45196, 56495, 90392, 112990, 225980, 451960, 463259, 926518, 1853036, 2316295, 3706072, 4632590, 9265180, 18530360]

約数ペア:

[(1, 18530360), (2, 9265180), (4, 4632590), (5, 3706072), (8, 2316295), (10, 1853036), (20, 926518), (40, 463259), (41, 451960), (82, 225980), (164, 112990), (205, 90392), (328, 56495), (410, 45196), (820, 22598), (1640, 11299)]