18979674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{451897}}^1$

素因数の和:451909

約数の個数: 16

約数和(自身を含む): 43382208

約数和(自身を除く): 24402534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 451897, 903794, 1355691, 2711382, 3163279, 6326558, 9489837, 18979674]

約数ペア:

[(1, 18979674), (2, 9489837), (3, 6326558), (6, 3163279), (7, 2711382), (14, 1355691), (21, 903794), (42, 451897)]