18721740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{312029}}^1$

素因数の和:312041

約数の個数: 24

約数和(自身を含む): 52421040

約数和(自身を除く): 33699300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 312029, 624058, 936087, 1248116, 1560145, 1872174, 3120290, 3744348, 4680435, 6240580, 9360870, 18721740]

約数ペア:

[(1, 18721740), (2, 9360870), (3, 6240580), (4, 4680435), (5, 3744348), (6, 3120290), (10, 1872174), (12, 1560145), (15, 1248116), (20, 936087), (30, 624058), (60, 312029)]