18684470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{266921}}^1$

素因数の和:266935

約数の個数: 16

約数和(自身を含む): 38436768

約数和(自身を除く): 19752298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 266921, 533842, 1334605, 1868447, 2669210, 3736894, 9342235, 18684470]

約数ペア:

[(1, 18684470), (2, 9342235), (5, 3736894), (7, 2669210), (10, 1868447), (14, 1334605), (35, 533842), (70, 266921)]