19640826

素因数分解:

$2^1\times 3^3\times {\mathrm{363719}}^1$

素因数の和:363730

約数の個数: 16

約数和(自身を含む): 43646400

約数和(自身を除く): 24005574

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 363719, 727438, 1091157, 2182314, 3273471, 6546942, 9820413, 19640826]

約数ペア:

[(1, 19640826), (2, 9820413), (3, 6546942), (6, 3273471), (9, 2182314), (18, 1091157), (27, 727438), (54, 363719)]