18686774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7741}}^1$

素因数の和:7831

約数の個数: 16

約数和(自身を含む): 30100896

約数和(自身を除く): 11414122

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 7741, 15482, 131597, 263194, 549611, 1099222, 9343387, 18686774]

約数ペア:

[(1, 18686774), (2, 9343387), (17, 1099222), (34, 549611), (71, 263194), (142, 131597), (1207, 15482), (2414, 7741)]