18873320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10039}}^1$

素因数の和:10097

約数の個数: 32

約数和(自身を含む): 43372800

約数和(自身を除く): 24499480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10039, 20078, 40156, 50195, 80312, 100390, 200780, 401560, 471833, 943666, 1887332, 2359165, 3774664, 4718330, 9436660, 18873320]

約数ペア:

[(1, 18873320), (2, 9436660), (4, 4718330), (5, 3774664), (8, 2359165), (10, 1887332), (20, 943666), (40, 471833), (47, 401560), (94, 200780), (188, 100390), (235, 80312), (376, 50195), (470, 40156), (940, 20078), (1880, 10039)]