19941795

素因数分解:

$3^6\times 5^1\times {\mathrm{5471}}^1$

素因数の和:5494

約数の個数: 28

約数和(自身を含む): 35885376

約数和(自身を除く): 15943581

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5471, 16413, 27355, 49239, 82065, 147717, 246195, 443151, 738585, 1329453, 2215755, 3988359, 6647265, 19941795]

約数ペア:

[(1, 19941795), (3, 6647265), (5, 3988359), (9, 2215755), (15, 1329453), (27, 738585), (45, 443151), (81, 246195), (135, 147717), (243, 82065), (405, 49239), (729, 27355), (1215, 16413), (3645, 5471)]