19442900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11437}}^1$

素因数の和:11468

約数の個数: 36

約数和(自身を含む): 44676828

約数和(自身を除く): 25233928

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11437, 22874, 45748, 57185, 114370, 194429, 228740, 285925, 388858, 571850, 777716, 972145, 1143700, 1944290, 3888580, 4860725, 9721450, 19442900]

約数ペア:

[(1, 19442900), (2, 9721450), (4, 4860725), (5, 3888580), (10, 1944290), (17, 1143700), (20, 972145), (25, 777716), (34, 571850), (50, 388858), (68, 285925), (85, 228740), (100, 194429), (170, 114370), (340, 57185), (425, 45748), (850, 22874), (1700, 11437)]