81718506

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{238943}}^1$

素因数の和:238970

約数の個数: 24

約数和(自身を含む): 186376320

約数和(自身を除く): 104657814

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 238943, 477886, 716829, 1433658, 2150487, 4300974, 4539917, 9079834, 13619751, 27239502, 40859253, 81718506]

約数ペア:

[(1, 81718506), (2, 40859253), (3, 27239502), (6, 13619751), (9, 9079834), (18, 4539917), (19, 4300974), (38, 2150487), (57, 1433658), (114, 716829), (171, 477886), (342, 238943)]