19660510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63421}}^1$

素因数の和:63459

約数の個数: 16

約数和(自身を含む): 36531072

約数和(自身を除く): 16870562

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 63421, 126842, 317105, 634210, 1966051, 3932102, 9830255, 19660510]

約数ペア:

[(1, 19660510), (2, 9830255), (5, 3932102), (10, 1966051), (31, 634210), (62, 317105), (155, 126842), (310, 63421)]