19798418305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{304849}}^1$

素因数の和:305304

約数の個数: 16

約数和(自身を含む): 24583104000

約数和(自身を除く): 4784685695

約数列:

[1, 5, 31, 155, 419, 2095, 12989, 64945, 304849, 1524245, 9450319, 47251595, 127731731, 638658655, 3959683661, 19798418305]

約数ペア:

[(1, 19798418305), (5, 3959683661), (31, 638658655), (155, 127731731), (419, 47251595), (2095, 9450319), (12989, 1524245), (64945, 304849)]