19911372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127637}}^1$

素因数の和:127657

約数の個数: 24

約数和(自身を含む): 50034096

約数和(自身を除く): 30122724

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127637, 255274, 382911, 510548, 765822, 1531644, 1659281, 3318562, 4977843, 6637124, 9955686, 19911372]

約数ペア:

[(1, 19911372), (2, 9955686), (3, 6637124), (4, 4977843), (6, 3318562), (12, 1659281), (13, 1531644), (26, 765822), (39, 510548), (52, 382911), (78, 255274), (156, 127637)]