18975341

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 24437952

約数和(自身を除く): 5462611

約数列:

[1, 7, 11, 43, 77, 121, 301, 473, 521, 847, 3311, 3647, 5203, 5731, 22403, 36421, 40117, 63041, 156821, 246433, 441287, 1725031, 2710763, 18975341]

約数ペア:

[(1, 18975341), (7, 2710763), (11, 1725031), (43, 441287), (77, 246433), (121, 156821), (301, 63041), (473, 40117), (521, 36421), (847, 22403), (3311, 5731), (3647, 5203)]