18606380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71563}}^1$

素因数の和:71585

約数の個数: 24

約数和(自身を含む): 42079632

約数和(自身を除く): 23473252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71563, 143126, 286252, 357815, 715630, 930319, 1431260, 1860638, 3721276, 4651595, 9303190, 18606380]

約数ペア:

[(1, 18606380), (2, 9303190), (4, 4651595), (5, 3721276), (10, 1860638), (13, 1431260), (20, 930319), (26, 715630), (52, 357815), (65, 286252), (130, 143126), (260, 71563)]