19971305

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2633}}^1$

素因数の和:2716

約数の個数: 16

約数和(自身を含む): 25223184

約数和(自身を除く): 5251879

約数列:

[1, 5, 37, 41, 185, 205, 1517, 2633, 7585, 13165, 97421, 107953, 487105, 539765, 3994261, 19971305]

約数ペア:

[(1, 19971305), (5, 3994261), (37, 539765), (41, 487105), (185, 107953), (205, 97421), (1517, 13165), (2633, 7585)]