18972545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4871}}^1$

素因数の和:4936

約数の個数: 16

約数和(自身を含む): 24554880

約数和(自身を除く): 5582335

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 4871, 24355, 92549, 199711, 462745, 998555, 3794509, 18972545]

約数ペア:

[(1, 18972545), (5, 3794509), (19, 998555), (41, 462745), (95, 199711), (205, 92549), (779, 24355), (3895, 4871)]