19977914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^2$

素因数の和:338

約数の個数: 24

約数和(自身を含む): 33628608

約数和(自身を除く): 13650694

約数列:

[1, 2, 11, 22, 47, 94, 139, 278, 517, 1034, 1529, 3058, 6533, 13066, 19321, 38642, 71863, 143726, 212531, 425062, 908087, 1816174, 9988957, 19977914]

約数ペア:

[(1, 19977914), (2, 9988957), (11, 1816174), (22, 908087), (47, 425062), (94, 212531), (139, 143726), (278, 71863), (517, 38642), (1034, 19321), (1529, 13066), (3058, 6533)]