19189730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{274139}}^1$

素因数の和:274153

約数の個数: 16

約数和(自身を含む): 39476160

約数和(自身を除く): 20286430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 274139, 548278, 1370695, 1918973, 2741390, 3837946, 9594865, 19189730]

約数ペア:

[(1, 19189730), (2, 9594865), (5, 3837946), (7, 2741390), (10, 1918973), (14, 1370695), (35, 548278), (70, 274139)]