18730821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4649}}^1$

素因数の和:4748

約数の個数: 16

約数和(自身を含む): 26784000

約数和(自身を除く): 8053179

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 4649, 13947, 79033, 237099, 367271, 1101813, 6243607, 18730821]

約数ペア:

[(1, 18730821), (3, 6243607), (17, 1101813), (51, 367271), (79, 237099), (237, 79033), (1343, 13947), (4029, 4649)]