18328580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31601}}^1$

素因数の和:31639

約数の個数: 24

約数和(自身を含む): 39818520

約数和(自身を除く): 21489940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31601, 63202, 126404, 158005, 316010, 632020, 916429, 1832858, 3665716, 4582145, 9164290, 18328580]

約数ペア:

[(1, 18328580), (2, 9164290), (4, 4582145), (5, 3665716), (10, 1832858), (20, 916429), (29, 632020), (58, 316010), (116, 158005), (145, 126404), (290, 63202), (580, 31601)]