18702004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4643}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 35108640

約数和(自身を除く): 16406636

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 4643, 9286, 18572, 88217, 176434, 246079, 352868, 492158, 984316, 4675501, 9351002, 18702004]

約数ペア:

[(1, 18702004), (2, 9351002), (4, 4675501), (19, 984316), (38, 492158), (53, 352868), (76, 246079), (106, 176434), (212, 88217), (1007, 18572), (2014, 9286), (4028, 4643)]