19856290

素因数分解:

$2^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{5531}}^1$

素因数の和:5897

約数の個数: 16

約数和(自身を含む): 35847360

約数和(自身を除く): 15991070

約数列:

[1, 2, 5, 10, 359, 718, 1795, 3590, 5531, 11062, 27655, 55310, 1985629, 3971258, 9928145, 19856290]

約数ペア:

[(1, 19856290), (2, 9928145), (5, 3971258), (10, 1985629), (359, 55310), (718, 27655), (1795, 11062), (3590, 5531)]