19853220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330887}}^1$

素因数の和:330899

約数の個数: 24

約数和(自身を含む): 55589184

約数和(自身を除く): 35735964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330887, 661774, 992661, 1323548, 1654435, 1985322, 3308870, 3970644, 4963305, 6617740, 9926610, 19853220]

約数ペア:

[(1, 19853220), (2, 9926610), (3, 6617740), (4, 4963305), (5, 3970644), (6, 3308870), (10, 1985322), (12, 1654435), (15, 1323548), (20, 992661), (30, 661774), (60, 330887)]