19122561

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5023}}^1$

素因数の和:5082

約数の個数: 20

約数和(自身を含む): 29179392

約数和(自身を除く): 10056831

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5023, 15069, 45207, 135621, 236081, 406863, 708243, 2124729, 6374187, 19122561]

約数ペア:

[(1, 19122561), (3, 6374187), (9, 2124729), (27, 708243), (47, 406863), (81, 236081), (141, 135621), (423, 45207), (1269, 15069), (3807, 5023)]