18862996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3907}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 35453376

約数和(自身を除く): 16590380

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 3907, 4828, 7814, 15628, 66419, 132838, 265676, 277397, 554794, 1109588, 4715749, 9431498, 18862996]

約数ペア:

[(1, 18862996), (2, 9431498), (4, 4715749), (17, 1109588), (34, 554794), (68, 277397), (71, 265676), (142, 132838), (284, 66419), (1207, 15628), (2414, 7814), (3907, 4828)]