18100745

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 24314112

約数和(自身を除く): 6213367

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 691, 845, 2015, 3455, 5239, 8983, 21421, 26195, 44915, 107105, 116779, 278473, 583895, 1392365, 3620149, 18100745]

約数ペア:

[(1, 18100745), (5, 3620149), (13, 1392365), (31, 583895), (65, 278473), (155, 116779), (169, 107105), (403, 44915), (691, 26195), (845, 21421), (2015, 8983), (3455, 5239)]