17811085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 22677120

約数和(自身を除く): 4866035

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2539, 7015, 12695, 58397, 154879, 291985, 774395, 3562217, 17811085]

約数ペア:

[(1, 17811085), (5, 3562217), (23, 774395), (61, 291985), (115, 154879), (305, 58397), (1403, 12695), (2539, 7015)]