18643389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{863}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 7622211

約数列:

[1, 3, 19, 57, 379, 863, 1137, 2589, 7201, 16397, 21603, 49191, 327077, 981231, 6214463, 18643389]

約数ペア:

[(1, 18643389), (3, 6214463), (19, 981231), (57, 327077), (379, 49191), (863, 21603), (1137, 16397), (2589, 7201)]