19964802238

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{720179}}^1$

素因数の和:720431

約数の個数: 16

約数和(自身を含む): 30489540480

約数和(自身を除く): 10524738242

約数列:

[1, 2, 83, 166, 167, 334, 13861, 27722, 720179, 1440358, 59774857, 119549714, 120269893, 240539786, 9982401119, 19964802238]

約数ペア:

[(1, 19964802238), (2, 9982401119), (83, 240539786), (166, 120269893), (167, 119549714), (334, 59774857), (13861, 1440358), (27722, 720179)]