18744747

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^2$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 29957376

約数和(自身を除く): 11212629

約数列:

[1, 3, 7, 21, 23, 69, 161, 197, 483, 591, 1379, 4137, 4531, 13593, 31717, 38809, 95151, 116427, 271663, 814989, 892607, 2677821, 6248249, 18744747]

約数ペア:

[(1, 18744747), (3, 6248249), (7, 2677821), (21, 892607), (23, 814989), (69, 271663), (161, 116427), (197, 95151), (483, 38809), (591, 31717), (1379, 13593), (4137, 4531)]