19417347

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4157}}^1$

素因数の和:4339

約数の個数: 16

約数和(自身を含む): 28939680

約数和(自身を除く): 9522333

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4157, 4671, 12471, 37413, 112239, 719161, 2157483, 6472449, 19417347]

約数ペア:

[(1, 19417347), (3, 6472449), (9, 2157483), (27, 719161), (173, 112239), (519, 37413), (1557, 12471), (4157, 4671)]