19668472

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31121}}^1$

素因数の和:31206

約数の個数: 16

約数和(自身を含む): 37346400

約数和(自身を除く): 17677928

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31121, 62242, 124484, 248968, 2458559, 4917118, 9834236, 19668472]

約数ペア:

[(1, 19668472), (2, 9834236), (4, 4917118), (8, 2458559), (79, 248968), (158, 124484), (316, 62242), (632, 31121)]