19102705

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 4398095

約数列:

[1, 5, 67, 127, 335, 449, 635, 2245, 8509, 30083, 42545, 57023, 150415, 285115, 3820541, 19102705]

約数ペア:

[(1, 19102705), (5, 3820541), (67, 285115), (127, 150415), (335, 57023), (449, 42545), (635, 30083), (2245, 8509)]