18105880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34819}}^1$

素因数の和:34843

約数の個数: 32

約数和(自身を含む): 43873200

約数和(自身を除く): 25767320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34819, 69638, 139276, 174095, 278552, 348190, 452647, 696380, 905294, 1392760, 1810588, 2263235, 3621176, 4526470, 9052940, 18105880]

約数ペア:

[(1, 18105880), (2, 9052940), (4, 4526470), (5, 3621176), (8, 2263235), (10, 1810588), (13, 1392760), (20, 905294), (26, 696380), (40, 452647), (52, 348190), (65, 278552), (104, 174095), (130, 139276), (260, 69638), (520, 34819)]