19997826

素因数分解:

$2^1\times 3^1\times {\mathrm{997}}^1\times {\mathrm{3343}}^1$

素因数の和:4345

約数の個数: 16

約数和(自身を含む): 40047744

約数和(自身を除く): 20049918

約数列:

[1, 2, 3, 6, 997, 1994, 2991, 3343, 5982, 6686, 10029, 20058, 3332971, 6665942, 9998913, 19997826]

約数ペア:

[(1, 19997826), (2, 9998913), (3, 6665942), (6, 3332971), (997, 20058), (1994, 10029), (2991, 6686), (3343, 5982)]