19538738

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{1153}}^1$

素因数の和:1421

約数の個数: 16

約数和(自身を含む): 30257880

約数和(自身を除く): 10719142

約数列:

[1, 2, 37, 74, 229, 458, 1153, 2306, 8473, 16946, 42661, 85322, 264037, 528074, 9769369, 19538738]

約数ペア:

[(1, 19538738), (2, 9769369), (37, 528074), (74, 264037), (229, 85322), (458, 42661), (1153, 16946), (2306, 8473)]