19893814

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 30609360

約数和(自身を除く): 10715546

約数列:

[1, 2, 73, 89, 146, 178, 1531, 3062, 6497, 12994, 111763, 136259, 223526, 272518, 9946907, 19893814]

約数ペア:

[(1, 19893814), (2, 9946907), (73, 272518), (89, 223526), (146, 136259), (178, 111763), (1531, 12994), (3062, 6497)]