18929493

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{521}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 29966976

約数和(自身を除く): 11037483

約数列:

[1, 3, 9, 11, 33, 99, 367, 521, 1101, 1563, 3303, 4037, 4689, 5731, 12111, 17193, 36333, 51579, 191207, 573621, 1720863, 2103277, 6309831, 18929493]

約数ペア:

[(1, 18929493), (3, 6309831), (9, 2103277), (11, 1720863), (33, 573621), (99, 191207), (367, 51579), (521, 36333), (1101, 17193), (1563, 12111), (3303, 5731), (4037, 4689)]