19158167

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 23926320

約数和(自身を除く): 4768153

約数列:

[1, 7, 17, 49, 109, 119, 211, 763, 833, 1477, 1853, 3587, 5341, 10339, 12971, 22999, 25109, 90797, 160993, 175763, 390983, 1126951, 2736881, 19158167]

約数ペア:

[(1, 19158167), (7, 2736881), (17, 1126951), (49, 390983), (109, 175763), (119, 160993), (211, 90797), (763, 25109), (833, 22999), (1477, 12971), (1853, 10339), (3587, 5341)]