18862020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104789}}^1$

素因数の和:104804

約数の個数: 36

約数和(自身を含む): 57215340

約数和(自身を除く): 38353320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104789, 209578, 314367, 419156, 523945, 628734, 943101, 1047890, 1257468, 1571835, 1886202, 2095780, 3143670, 3772404, 4715505, 6287340, 9431010, 18862020]

約数ペア:

[(1, 18862020), (2, 9431010), (3, 6287340), (4, 4715505), (5, 3772404), (6, 3143670), (9, 2095780), (10, 1886202), (12, 1571835), (15, 1257468), (18, 1047890), (20, 943101), (30, 628734), (36, 523945), (45, 419156), (60, 314367), (90, 209578), (180, 104789)]