18191019

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7159}}^1$

素因数の和:7191

約数の個数: 24

約数和(自身を含む): 30472960

約数和(自身を除く): 12281941

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7159, 21477, 50113, 78749, 150339, 236247, 551243, 866239, 1653729, 2598717, 6063673, 18191019]

約数ペア:

[(1, 18191019), (3, 6063673), (7, 2598717), (11, 1653729), (21, 866239), (33, 551243), (77, 236247), (121, 150339), (231, 78749), (363, 50113), (847, 21477), (2541, 7159)]