18730218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240131}}^1$

素因数の和:240149

約数の個数: 16

約数和(自身を含む): 40342176

約数和(自身を除く): 21611958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240131, 480262, 720393, 1440786, 3121703, 6243406, 9365109, 18730218]

約数ペア:

[(1, 18730218), (2, 9365109), (3, 6243406), (6, 3121703), (13, 1440786), (26, 720393), (39, 480262), (78, 240131)]