18752920

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1237}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 42339600

約数和(自身を除く): 23586680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1237, 1516, 1895, 2474, 3032, 3790, 4948, 6185, 7580, 9896, 12370, 15160, 24740, 49480, 468823, 937646, 1875292, 2344115, 3750584, 4688230, 9376460, 18752920]

約数ペア:

[(1, 18752920), (2, 9376460), (4, 4688230), (5, 3750584), (8, 2344115), (10, 1875292), (20, 937646), (40, 468823), (379, 49480), (758, 24740), (1237, 15160), (1516, 12370), (1895, 9896), (2474, 7580), (3032, 6185), (3790, 4948)]