19288871

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 22617600

約数和(自身を除く): 3328729

約数列:

[1, 7, 61, 199, 227, 427, 1393, 1589, 12139, 13847, 45173, 84973, 96929, 316211, 2755553, 19288871]

約数ペア:

[(1, 19288871), (7, 2755553), (61, 316211), (199, 96929), (227, 84973), (427, 45173), (1393, 13847), (1589, 12139)]