18519472

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21839}}^1$

素因数の和:21900

約数の個数: 20

約数和(自身を含む): 36560160

約数和(自身を除く): 18040688

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21839, 43678, 87356, 174712, 349424, 1157467, 2314934, 4629868, 9259736, 18519472]

約数ペア:

[(1, 18519472), (2, 9259736), (4, 4629868), (8, 2314934), (16, 1157467), (53, 349424), (106, 174712), (212, 87356), (424, 43678), (848, 21839)]