19764826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4861}}^1$

素因数の和:4989

約数の個数: 16

約数和(自身を含む): 31505760

約数和(自身を除く): 11740934

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4861, 9722, 92359, 184718, 520127, 1040254, 9882413, 19764826]

約数ペア:

[(1, 19764826), (2, 9882413), (19, 1040254), (38, 520127), (107, 184718), (214, 92359), (2033, 9722), (4066, 4861)]