19977531

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50069}}^1$

素因数の和:50098

約数の個数: 16

約数和(自身を含む): 32044800

約数和(自身を除く): 12067269

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50069, 150207, 350483, 951311, 1051449, 2853933, 6659177, 19977531]

約数ペア:

[(1, 19977531), (3, 6659177), (7, 2853933), (19, 1051449), (21, 951311), (57, 350483), (133, 150207), (399, 50069)]