19191879

素因数分解:

$3^2\times 7^3\times {\mathrm{6217}}^1$

素因数の和:6244

約数の個数: 24

約数和(自身を含む): 32333600

約数和(自身を除く): 13141721

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6217, 18651, 43519, 55953, 130557, 304633, 391671, 913899, 2132431, 2741697, 6397293, 19191879]

約数ペア:

[(1, 19191879), (3, 6397293), (7, 2741697), (9, 2132431), (21, 913899), (49, 391671), (63, 304633), (147, 130557), (343, 55953), (441, 43519), (1029, 18651), (3087, 6217)]