19216090

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1979}}^1$

素因数の和:2957

約数の個数: 16

約数和(自身を含む): 34642080

約数和(自身を除く): 15425990

約数列:

[1, 2, 5, 10, 971, 1942, 1979, 3958, 4855, 9710, 9895, 19790, 1921609, 3843218, 9608045, 19216090]

約数ペア:

[(1, 19216090), (2, 9608045), (5, 3843218), (10, 1921609), (971, 19790), (1942, 9895), (1979, 9710), (3958, 4855)]