18989582

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7789}}^1$

素因数の和:7867

約数の個数: 16

約数和(自身を含む): 30287520

約数和(自身を除く): 11297938

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 7789, 15578, 179147, 358294, 412817, 825634, 9494791, 18989582]

約数ペア:

[(1, 18989582), (2, 9494791), (23, 825634), (46, 412817), (53, 358294), (106, 179147), (1219, 15578), (2438, 7789)]