19272021

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1327}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 26517504

約数和(自身を除く): 7245483

約数列:

[1, 3, 47, 103, 141, 309, 1327, 3981, 4841, 14523, 62369, 136681, 187107, 410043, 6424007, 19272021]

約数ペア:

[(1, 19272021), (3, 6424007), (47, 410043), (103, 187107), (141, 136681), (309, 62369), (1327, 14523), (3981, 4841)]