18801477821

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{907}}^1\times {\mathrm{9001}}^1$

素因数の和:9969

約数の個数: 24

約数和(自身を含む): 22363560576

約数和(自身を除く): 3562082755

約数列:

[1, 7, 47, 49, 329, 907, 2303, 6349, 9001, 42629, 44443, 63007, 298403, 423047, 441049, 2088821, 2961329, 8163907, 20729303, 57147349, 383703629, 400031443, 2685925403, 18801477821]

約数ペア:

[(1, 18801477821), (7, 2685925403), (47, 400031443), (49, 383703629), (329, 57147349), (907, 20729303), (2303, 8163907), (6349, 2961329), (9001, 2088821), (42629, 441049), (44443, 423047), (63007, 298403)]