19156978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1621}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 30363840

約数和(自身を除く): 11206862

約数列:

[1, 2, 19, 38, 311, 622, 1621, 3242, 5909, 11818, 30799, 61598, 504131, 1008262, 9578489, 19156978]

約数ペア:

[(1, 19156978), (2, 9578489), (19, 1008262), (38, 504131), (311, 61598), (622, 30799), (1621, 11818), (3242, 5909)]