19431152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93419}}^1$

素因数の和:93440

約数の個数: 20

約数和(自身を含む): 40544280

約数和(自身を除く): 21113128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93419, 186838, 373676, 747352, 1214447, 1494704, 2428894, 4857788, 9715576, 19431152]

約数ペア:

[(1, 19431152), (2, 9715576), (4, 4857788), (8, 2428894), (13, 1494704), (16, 1214447), (26, 747352), (52, 373676), (104, 186838), (208, 93419)]