19885334

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2251}}^1$

素因数の和:2891

約数の個数: 16

約数和(自身を含む): 34158336

約数和(自身を除く): 14273002

約数列:

[1, 2, 7, 14, 631, 1262, 2251, 4417, 4502, 8834, 15757, 31514, 1420381, 2840762, 9942667, 19885334]

約数ペア:

[(1, 19885334), (2, 9942667), (7, 2840762), (14, 1420381), (631, 31514), (1262, 15757), (2251, 8834), (4417, 4502)]