18610780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5927}}^1$

素因数の和:6093

約数の個数: 24

約数和(自身を含む): 39338208

約数和(自身を除く): 20727428

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5927, 11854, 23708, 29635, 59270, 118540, 930539, 1861078, 3722156, 4652695, 9305390, 18610780]

約数ペア:

[(1, 18610780), (2, 9305390), (4, 4652695), (5, 3722156), (10, 1861078), (20, 930539), (157, 118540), (314, 59270), (628, 29635), (785, 23708), (1570, 11854), (3140, 5927)]