19959858

素因数分解:

$2^1\times 3^4\times {\mathrm{123209}}^1$

素因数の和:123223

約数の個数: 20

約数和(自身を含む): 44725230

約数和(自身を除く): 24765372

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123209, 246418, 369627, 739254, 1108881, 2217762, 3326643, 6653286, 9979929, 19959858]

約数ペア:

[(1, 19959858), (2, 9979929), (3, 6653286), (6, 3326643), (9, 2217762), (18, 1108881), (27, 739254), (54, 369627), (81, 246418), (162, 123209)]