19217240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68633}}^1$

素因数の和:68651

約数の個数: 32

約数和(自身を含む): 49416480

約数和(自身を除く): 30199240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68633, 137266, 274532, 343165, 480431, 549064, 686330, 960862, 1372660, 1921724, 2402155, 2745320, 3843448, 4804310, 9608620, 19217240]

約数ペア:

[(1, 19217240), (2, 9608620), (4, 4804310), (5, 3843448), (7, 2745320), (8, 2402155), (10, 1921724), (14, 1372660), (20, 960862), (28, 686330), (35, 549064), (40, 480431), (56, 343165), (70, 274532), (140, 137266), (280, 68633)]