18955270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 35601120

約数和(自身を除く): 16645850

約数列:

[1, 2, 5, 10, 29, 58, 145, 163, 290, 326, 401, 802, 815, 1630, 2005, 4010, 4727, 9454, 11629, 23258, 23635, 47270, 58145, 65363, 116290, 130726, 326815, 653630, 1895527, 3791054, 9477635, 18955270]

約数ペア:

[(1, 18955270), (2, 9477635), (5, 3791054), (10, 1895527), (29, 653630), (58, 326815), (145, 130726), (163, 116290), (290, 65363), (326, 58145), (401, 47270), (802, 23635), (815, 23258), (1630, 11629), (2005, 9454), (4010, 4727)]