18742140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104123}}^1$

素因数の和:104138

約数の個数: 36

約数和(自身を含む): 56851704

約数和(自身を除く): 38109564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104123, 208246, 312369, 416492, 520615, 624738, 937107, 1041230, 1249476, 1561845, 1874214, 2082460, 3123690, 3748428, 4685535, 6247380, 9371070, 18742140]

約数ペア:

[(1, 18742140), (2, 9371070), (3, 6247380), (4, 4685535), (5, 3748428), (6, 3123690), (9, 2082460), (10, 1874214), (12, 1561845), (15, 1249476), (18, 1041230), (20, 937107), (30, 624738), (36, 520615), (45, 416492), (60, 312369), (90, 208246), (180, 104123)]