18771988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1$

素因数の和:3303

約数の個数: 24

約数和(自身を含む): 34642944

約数和(自身を除く): 15870956

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 1457, 2914, 3221, 5828, 6442, 12884, 99851, 151387, 199702, 302774, 399404, 605548, 4692997, 9385994, 18771988]

約数ペア:

[(1, 18771988), (2, 9385994), (4, 4692997), (31, 605548), (47, 399404), (62, 302774), (94, 199702), (124, 151387), (188, 99851), (1457, 12884), (2914, 6442), (3221, 5828)]