12619990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 24145920

約数和(自身を除く): 11525930

約数列:

[1, 2, 5, 10, 19, 38, 95, 127, 190, 254, 523, 635, 1046, 1270, 2413, 2615, 4826, 5230, 9937, 12065, 19874, 24130, 49685, 66421, 99370, 132842, 332105, 664210, 1261999, 2523998, 6309995, 12619990]

約数ペア:

[(1, 12619990), (2, 6309995), (5, 2523998), (10, 1261999), (19, 664210), (38, 332105), (95, 132842), (127, 99370), (190, 66421), (254, 49685), (523, 24130), (635, 19874), (1046, 12065), (1270, 9937), (2413, 5230), (2615, 4826)]