19960342

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7487}}^1$

素因数の和:7563

約数の個数: 16

約数和(自身を含む): 31629312

約数和(自身を除く): 11668970

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7487, 14974, 232097, 321941, 464194, 643882, 9980171, 19960342]

約数ペア:

[(1, 19960342), (2, 9980171), (31, 643882), (43, 464194), (62, 321941), (86, 232097), (1333, 14974), (2666, 7487)]