18400892

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12743}}^1$

素因数の和:12785

約数の個数: 18

約数和(自身を含む): 33988248

約数和(自身を除く): 15587356

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12743, 25486, 50972, 242117, 484234, 968468, 4600223, 9200446, 18400892]

約数ペア:

[(1, 18400892), (2, 9200446), (4, 4600223), (19, 968468), (38, 484234), (76, 242117), (361, 50972), (722, 25486), (1444, 12743)]