18747261

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53411}}^1$

素因数の和:53433

約数の個数: 16

約数和(自身を含む): 29910720

約数和(自身を除く): 11163459

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53411, 160233, 480699, 694343, 1442097, 2083029, 6249087, 18747261]

約数ペア:

[(1, 18747261), (3, 6249087), (9, 2083029), (13, 1442097), (27, 694343), (39, 480699), (117, 160233), (351, 53411)]