19612020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{326867}}^1$

素因数の和:326879

約数の個数: 24

約数和(自身を含む): 54913824

約数和(自身を除く): 35301804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 326867, 653734, 980601, 1307468, 1634335, 1961202, 3268670, 3922404, 4903005, 6537340, 9806010, 19612020]

約数ペア:

[(1, 19612020), (2, 9806010), (3, 6537340), (4, 4903005), (5, 3922404), (6, 3268670), (10, 1961202), (12, 1634335), (15, 1307468), (20, 980601), (30, 653734), (60, 326867)]