20180917165

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1\times {\mathrm{6871}}^1$

素因数の和:7657

約数の個数: 32

約数和(自身を含む): 26124595200

約数和(自身を除く): 5943678035

約数列:

[1, 5, 19, 43, 95, 215, 719, 817, 3595, 4085, 6871, 13661, 30917, 34355, 68305, 130549, 154585, 295453, 587423, 652745, 1477265, 2937115, 4940249, 5613607, 24701245, 28068035, 93864731, 212430707, 469323655, 1062153535, 4036183433, 20180917165]

約数ペア:

[(1, 20180917165), (5, 4036183433), (19, 1062153535), (43, 469323655), (95, 212430707), (215, 93864731), (719, 28068035), (817, 24701245), (3595, 5613607), (4085, 4940249), (6871, 2937115), (13661, 1477265), (30917, 652745), (34355, 587423), (68305, 295453), (130549, 154585)]