18956686

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1409}}^1$

素因数の和:1480

約数の個数: 24

約数和(自身を含む): 33603120

約数和(自身を除く): 14646434

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1409, 1922, 2818, 6727, 9863, 13454, 19726, 43679, 87358, 305753, 611506, 1354049, 2708098, 9478343, 18956686]

約数ペア:

[(1, 18956686), (2, 9478343), (7, 2708098), (14, 1354049), (31, 611506), (62, 305753), (217, 87358), (434, 43679), (961, 19726), (1409, 13454), (1922, 9863), (2818, 6727)]