19850859

素因数分解:

$3^3\times 7^1\times {\mathrm{105031}}^1$

素因数の和:105047

約数の個数: 16

約数和(自身を含む): 33610240

約数和(自身を除く): 13759381

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 105031, 315093, 735217, 945279, 2205651, 2835837, 6616953, 19850859]

約数ペア:

[(1, 19850859), (3, 6616953), (7, 2835837), (9, 2205651), (21, 945279), (27, 735217), (63, 315093), (189, 105031)]