18303580

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2887}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 38572128

約数和(自身を除く): 20268548

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 2887, 3170, 5774, 6340, 11548, 14435, 28870, 57740, 915179, 1830358, 3660716, 4575895, 9151790, 18303580]

約数ペア:

[(1, 18303580), (2, 9151790), (4, 4575895), (5, 3660716), (10, 1830358), (20, 915179), (317, 57740), (634, 28870), (1268, 14435), (1585, 11548), (2887, 6340), (3170, 5774)]