19873456

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3559}}^1$

素因数の和:3916

約数の個数: 20

約数和(自身を含む): 38626000

約数和(自身を除く): 18752544

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3559, 5584, 7118, 14236, 28472, 56944, 1242091, 2484182, 4968364, 9936728, 19873456]

約数ペア:

[(1, 19873456), (2, 9936728), (4, 4968364), (8, 2484182), (16, 1242091), (349, 56944), (698, 28472), (1396, 14236), (2792, 7118), (3559, 5584)]