18282580

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4027}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 38572128

約数和(自身を除く): 20289548

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4027, 4540, 8054, 16108, 20135, 40270, 80540, 914129, 1828258, 3656516, 4570645, 9141290, 18282580]

約数ペア:

[(1, 18282580), (2, 9141290), (4, 4570645), (5, 3656516), (10, 1828258), (20, 914129), (227, 80540), (454, 40270), (908, 20135), (1135, 16108), (2270, 8054), (4027, 4540)]