19843468

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{2683}}^1$

素因数の和:2773

約数の個数: 18

約数和(自身を含む): 35565684

約数和(自身を除く): 15722216

約数列:

[1, 2, 4, 43, 86, 172, 1849, 2683, 3698, 5366, 7396, 10732, 115369, 230738, 461476, 4960867, 9921734, 19843468]

約数ペア:

[(1, 19843468), (2, 9921734), (4, 4960867), (43, 461476), (86, 230738), (172, 115369), (1849, 10732), (2683, 7396), (3698, 5366)]