18568418

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{277}}^2$

素因数の和:578

約数の個数: 18

約数和(自身を含む): 30725793

約数和(自身を除く): 12157375

約数列:

[1, 2, 11, 22, 121, 242, 277, 554, 3047, 6094, 33517, 67034, 76729, 153458, 844019, 1688038, 9284209, 18568418]

約数ペア:

[(1, 18568418), (2, 9284209), (11, 1688038), (22, 844019), (121, 153458), (242, 76729), (277, 67034), (554, 33517), (3047, 6094)]