18289768

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6949}}^1$

素因数の和:7009

約数の個数: 32

約数和(自身を含む): 40032000

約数和(自身を除く): 21742232

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 6949, 13898, 27796, 48643, 55592, 97286, 194572, 326603, 389144, 653206, 1306412, 2286221, 2612824, 4572442, 9144884, 18289768]

約数ペア:

[(1, 18289768), (2, 9144884), (4, 4572442), (7, 2612824), (8, 2286221), (14, 1306412), (28, 653206), (47, 389144), (56, 326603), (94, 194572), (188, 97286), (329, 55592), (376, 48643), (658, 27796), (1316, 13898), (2632, 6949)]