19930397

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 21565440

約数和(自身を除く): 1635043

約数列:

[1, 23, 47, 103, 179, 1081, 2369, 4117, 4841, 8413, 18437, 111343, 193499, 424051, 866539, 19930397]

約数ペア:

[(1, 19930397), (23, 866539), (47, 424051), (103, 193499), (179, 111343), (1081, 18437), (2369, 8413), (4117, 4841)]