18305955

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1229}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 31852080

約数和(自身を除く): 13546125

約数列:

[1, 3, 5, 9, 15, 45, 331, 993, 1229, 1655, 2979, 3687, 4965, 6145, 11061, 14895, 18435, 55305, 406799, 1220397, 2033995, 3661191, 6101985, 18305955]

約数ペア:

[(1, 18305955), (3, 6101985), (5, 3661191), (9, 2033995), (15, 1220397), (45, 406799), (331, 55305), (993, 18435), (1229, 14895), (1655, 11061), (2979, 6145), (3687, 4965)]