19648876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{997}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 37165520

約数和(自身を除く): 17516644

約数列:

[1, 2, 4, 13, 26, 52, 379, 758, 997, 1516, 1994, 3988, 4927, 9854, 12961, 19708, 25922, 51844, 377863, 755726, 1511452, 4912219, 9824438, 19648876]

約数ペア:

[(1, 19648876), (2, 9824438), (4, 4912219), (13, 1511452), (26, 755726), (52, 377863), (379, 51844), (758, 25922), (997, 19708), (1516, 12961), (1994, 9854), (3988, 4927)]