19747773

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{17839}}^1$

素因数の和:17889

約数の個数: 16

約数和(自身を含む): 29971200

約数和(自身を除く): 10223427

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 17839, 53517, 160551, 481653, 731399, 2194197, 6582591, 19747773]

約数ペア:

[(1, 19747773), (3, 6582591), (9, 2194197), (27, 731399), (41, 481653), (123, 160551), (369, 53517), (1107, 17839)]