18910947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30161}}^1$

素因数の和:30194

約数の個数: 16

約数和(自身を含む): 28955520

約数和(自身を除く): 10044573

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 30161, 90483, 331771, 573059, 995313, 1719177, 6303649, 18910947]

約数ペア:

[(1, 18910947), (3, 6303649), (11, 1719177), (19, 995313), (33, 573059), (57, 331771), (209, 90483), (627, 30161)]