19404918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6379}}^1$

素因数の和:6413

約数の個数: 36

約数和(自身を含む): 45534060

約数和(自身を除く): 26129142

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6379, 12758, 19137, 38274, 57411, 82927, 114822, 165854, 248781, 497562, 746343, 1078051, 1492686, 2156102, 3234153, 6468306, 9702459, 19404918]

約数ペア:

[(1, 19404918), (2, 9702459), (3, 6468306), (6, 3234153), (9, 2156102), (13, 1492686), (18, 1078051), (26, 746343), (39, 497562), (78, 248781), (117, 165854), (169, 114822), (234, 82927), (338, 57411), (507, 38274), (1014, 19137), (1521, 12758), (3042, 6379)]