19816839

素因数分解:

$3^3\times 7^1\times {\mathrm{104851}}^1$

素因数の和:104867

約数の個数: 16

約数和(自身を含む): 33552640

約数和(自身を除く): 13735801

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 104851, 314553, 733957, 943659, 2201871, 2830977, 6605613, 19816839]

約数ペア:

[(1, 19816839), (3, 6605613), (7, 2830977), (9, 2201871), (21, 943659), (27, 733957), (63, 314553), (189, 104851)]