19625945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 24526848

約数和(自身を除く): 4900903

約数列:

[1, 5, 31, 127, 155, 635, 997, 3937, 4985, 19685, 30907, 126619, 154535, 633095, 3925189, 19625945]

約数ペア:

[(1, 19625945), (5, 3925189), (31, 633095), (127, 154535), (155, 126619), (635, 30907), (997, 19685), (3937, 4985)]