19011317

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 22100544

約数和(自身を除く): 3089227

約数列:

[1, 13, 23, 67, 73, 169, 299, 871, 949, 1541, 1679, 3887, 4891, 11323, 12337, 20033, 21827, 63583, 112493, 260429, 283751, 826579, 1462409, 19011317]

約数ペア:

[(1, 19011317), (13, 1462409), (23, 826579), (67, 283751), (73, 260429), (169, 112493), (299, 63583), (871, 21827), (949, 20033), (1541, 12337), (1679, 11323), (3887, 4891)]