18727878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240101}}^1$

素因数の和:240119

約数の個数: 16

約数和(自身を含む): 40337136

約数和(自身を除く): 21609258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240101, 480202, 720303, 1440606, 3121313, 6242626, 9363939, 18727878]

約数ペア:

[(1, 18727878), (2, 9363939), (3, 6242626), (6, 3121313), (13, 1440606), (26, 720303), (39, 480202), (78, 240101)]