19640580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327343}}^1$

素因数の和:327355

約数の個数: 24

約数和(自身を含む): 54993792

約数和(自身を除く): 35353212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327343, 654686, 982029, 1309372, 1636715, 1964058, 3273430, 3928116, 4910145, 6546860, 9820290, 19640580]

約数ペア:

[(1, 19640580), (2, 9820290), (3, 6546860), (4, 4910145), (5, 3928116), (6, 3273430), (10, 1964058), (12, 1636715), (15, 1309372), (20, 982029), (30, 654686), (60, 327343)]