18429399

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 27316224

約数和(自身を除く): 8886825

約数列:

[1, 3, 9, 71, 151, 191, 213, 453, 573, 639, 1359, 1719, 10721, 13561, 28841, 32163, 40683, 86523, 96489, 122049, 259569, 2047711, 6143133, 18429399]

約数ペア:

[(1, 18429399), (3, 6143133), (9, 2047711), (71, 259569), (151, 122049), (191, 96489), (213, 86523), (453, 40683), (573, 32163), (639, 28841), (1359, 13561), (1719, 10721)]