19873292

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 36490944

約数和(自身を除く): 16617652

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 1739, 2857, 3478, 5714, 6956, 11428, 105709, 134279, 211418, 268558, 422836, 537116, 4968323, 9936646, 19873292]

約数ペア:

[(1, 19873292), (2, 9936646), (4, 4968323), (37, 537116), (47, 422836), (74, 268558), (94, 211418), (148, 134279), (188, 105709), (1739, 11428), (2857, 6956), (3478, 5714)]