19943666

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1709

約数の個数: 16

約数和(自身を含む): 30914520

約数和(自身を除く): 10970854

約数列:

[1, 2, 37, 74, 181, 362, 1489, 2978, 6697, 13394, 55093, 110186, 269509, 539018, 9971833, 19943666]

約数ペア:

[(1, 19943666), (2, 9971833), (37, 539018), (74, 269509), (181, 110186), (362, 55093), (1489, 13394), (2978, 6697)]