18685355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 24314304

約数和(自身を除く): 5628949

約数列:

[1, 5, 13, 65, 157, 785, 1831, 2041, 9155, 10205, 23803, 119015, 287467, 1437335, 3737071, 18685355]

約数ペア:

[(1, 18685355), (5, 3737071), (13, 1437335), (65, 287467), (157, 119015), (785, 23803), (1831, 10205), (2041, 9155)]