18721320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{156011}}^1$

素因数の和:156025

約数の個数: 32

約数和(自身を含む): 56164320

約数和(自身を除く): 37443000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 156011, 312022, 468033, 624044, 780055, 936066, 1248088, 1560110, 1872132, 2340165, 3120220, 3744264, 4680330, 6240440, 9360660, 18721320]

約数ペア:

[(1, 18721320), (2, 9360660), (3, 6240440), (4, 4680330), (5, 3744264), (6, 3120220), (8, 2340165), (10, 1872132), (12, 1560110), (15, 1248088), (20, 936066), (24, 780055), (30, 624044), (40, 468033), (60, 312022), (120, 156011)]