18240976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87697}}^1$

素因数の和:87718

約数の個数: 20

約数和(自身を含む): 38060932

約数和(自身を除く): 19819956

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87697, 175394, 350788, 701576, 1140061, 1403152, 2280122, 4560244, 9120488, 18240976]

約数ペア:

[(1, 18240976), (2, 9120488), (4, 4560244), (8, 2280122), (13, 1403152), (16, 1140061), (26, 701576), (52, 350788), (104, 175394), (208, 87697)]