19765140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{329419}}^1$

素因数の和:329431

約数の個数: 24

約数和(自身を含む): 55342560

約数和(自身を除く): 35577420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 329419, 658838, 988257, 1317676, 1647095, 1976514, 3294190, 3953028, 4941285, 6588380, 9882570, 19765140]

約数ペア:

[(1, 19765140), (2, 9882570), (3, 6588380), (4, 4941285), (5, 3953028), (6, 3294190), (10, 1976514), (12, 1647095), (15, 1317676), (20, 988257), (30, 658838), (60, 329419)]