19553456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94007}}^1$

素因数の和:94028

約数の個数: 20

約数和(自身を含む): 40799472

約数和(自身を除く): 21246016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94007, 188014, 376028, 752056, 1222091, 1504112, 2444182, 4888364, 9776728, 19553456]

約数ペア:

[(1, 19553456), (2, 9776728), (4, 4888364), (8, 2444182), (13, 1504112), (16, 1222091), (26, 752056), (52, 376028), (104, 188014), (208, 94007)]