18934955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9397}}^1$

素因数の和:9446

約数の個数: 16

約数和(自身を含む): 25261824

約数和(自身を除く): 6326869

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9397, 46985, 122161, 291307, 610805, 1456535, 3786991, 18934955]

約数ペア:

[(1, 18934955), (5, 3786991), (13, 1456535), (31, 610805), (65, 291307), (155, 122161), (403, 46985), (2015, 9397)]