18511479

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2243}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 30805632

約数和(自身を除く): 12294153

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2243, 2751, 6729, 8253, 15701, 20187, 47103, 141309, 293833, 881499, 2056831, 2644497, 6170493, 18511479]

約数ペア:

[(1, 18511479), (3, 6170493), (7, 2644497), (9, 2056831), (21, 881499), (63, 293833), (131, 141309), (393, 47103), (917, 20187), (1179, 15701), (2243, 8253), (2751, 6729)]