18311157085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{13219}}^1$

素因数の和:13549

約数の個数: 32

約数和(自身を含む): 24013019520

約数和(自身を除く): 5701862435

約数列:

[1, 5, 13, 65, 101, 211, 505, 1055, 1313, 2743, 6565, 13219, 13715, 21311, 66095, 106555, 171847, 277043, 859235, 1335119, 1385215, 2789209, 6675595, 13946045, 17356547, 36259717, 86782735, 181298585, 281710109, 1408550545, 3662231417, 18311157085]

約数ペア:

[(1, 18311157085), (5, 3662231417), (13, 1408550545), (65, 281710109), (101, 181298585), (211, 86782735), (505, 36259717), (1055, 17356547), (1313, 13946045), (2743, 6675595), (6565, 2789209), (13219, 1385215), (13715, 1335119), (21311, 859235), (66095, 277043), (106555, 171847)]