18718711

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 21466368

約数和(自身を除く): 2747657

約数列:

[1, 11, 23, 241, 253, 307, 2651, 3377, 5543, 7061, 60973, 73987, 77671, 813857, 1701701, 18718711]

約数ペア:

[(1, 18718711), (11, 1701701), (23, 813857), (241, 77671), (253, 73987), (307, 60973), (2651, 7061), (3377, 5543)]