19517071

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 23734080

約数和(自身を除く): 4217009

約数列:

[1, 7, 17, 119, 401, 409, 2807, 2863, 6817, 6953, 47719, 48671, 164009, 1148063, 2788153, 19517071]

約数ペア:

[(1, 19517071), (7, 2788153), (17, 1148063), (119, 164009), (401, 48671), (409, 47719), (2807, 6953), (2863, 6817)]