19598660

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1487}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 21648700

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 1487, 2636, 2974, 3295, 5948, 6590, 7435, 13180, 14870, 29740, 979933, 1959866, 3919732, 4899665, 9799330, 19598660]

約数ペア:

[(1, 19598660), (2, 9799330), (4, 4899665), (5, 3919732), (10, 1959866), (20, 979933), (659, 29740), (1318, 14870), (1487, 13180), (2636, 7435), (2974, 6590), (3295, 5948)]