15570804988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{204879013}}^1$

素因数の和:204879036

約数の個数: 12

約数和(自身を含む): 28683061960

約数和(自身を除く): 13112256972

約数列:

[1, 2, 4, 19, 38, 76, 204879013, 409758026, 819516052, 3892701247, 7785402494, 15570804988]

約数ペア:

[(1, 15570804988), (2, 7785402494), (4, 3892701247), (19, 819516052), (38, 409758026), (76, 204879013)]