19963531

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6679}}^1$

素因数の和:6754

約数の個数: 12

約数和(自身を含む): 23607120

約数和(自身を除く): 3643589

約数列:

[1, 7, 49, 61, 427, 2989, 6679, 46753, 327271, 407419, 2851933, 19963531]

約数ペア:

[(1, 19963531), (7, 2851933), (49, 407419), (61, 327271), (427, 46753), (2989, 6679)]