19368260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6967}}^1$

素因数の和:7115

約数の個数: 24

約数和(自身を含む): 40971840

約数和(自身を除く): 21603580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6967, 13934, 27868, 34835, 69670, 139340, 968413, 1936826, 3873652, 4842065, 9684130, 19368260]

約数ペア:

[(1, 19368260), (2, 9684130), (4, 4842065), (5, 3873652), (10, 1936826), (20, 968413), (139, 139340), (278, 69670), (556, 34835), (695, 27868), (1390, 13934), (2780, 6967)]