19065221

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 3384955

約数列:

[1, 7, 47, 167, 329, 347, 1169, 2429, 7849, 16309, 54943, 57949, 114163, 405643, 2723603, 19065221]

約数ペア:

[(1, 19065221), (7, 2723603), (47, 405643), (167, 114163), (329, 57949), (347, 54943), (1169, 16309), (2429, 7849)]