19929488

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15767}}^1$

素因数の和:15854

約数の個数: 20

約数和(自身を含む): 39104640

約数和(自身を除く): 19175152

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15767, 31534, 63068, 126136, 252272, 1245593, 2491186, 4982372, 9964744, 19929488]

約数ペア:

[(1, 19929488), (2, 9964744), (4, 4982372), (8, 2491186), (16, 1245593), (79, 252272), (158, 126136), (316, 63068), (632, 31534), (1264, 15767)]