19471959

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3541}}^1$

素因数の和:3607

約数の個数: 24

約数和(自身を含む): 30942912

約数和(自身を除く): 11470953

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3541, 5499, 10623, 31869, 46033, 138099, 166427, 414297, 499281, 1497843, 2163551, 6490653, 19471959]

約数ペア:

[(1, 19471959), (3, 6490653), (9, 2163551), (13, 1497843), (39, 499281), (47, 414297), (117, 166427), (141, 138099), (423, 46033), (611, 31869), (1833, 10623), (3541, 5499)]