18941545

素因数分解:

$5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1997}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 26085888

約数和(自身を除く): 7144343

約数列:

[1, 5, 7, 35, 271, 1355, 1897, 1997, 9485, 9985, 13979, 69895, 541187, 2705935, 3788309, 18941545]

約数ペア:

[(1, 18941545), (5, 3788309), (7, 2705935), (35, 541187), (271, 69895), (1355, 13979), (1897, 9985), (1997, 9485)]