18818828

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4451}}^1$

素因数の和:4613

約数の個数: 24

約数和(自身を含む): 37895424

約数和(自身を除く): 19076596

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4451, 8902, 17804, 31157, 62314, 124628, 672101, 1344202, 2688404, 4704707, 9409414, 18818828]

約数ペア:

[(1, 18818828), (2, 9409414), (4, 4704707), (7, 2688404), (14, 1344202), (28, 672101), (151, 124628), (302, 62314), (604, 31157), (1057, 17804), (2114, 8902), (4228, 4451)]