19961570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4049}}^1$

素因数の和:4102

約数の個数: 32

約数和(自身を含む): 39366000

約数和(自身を除く): 19404430

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4049, 4930, 8098, 20245, 40490, 68833, 117421, 137666, 234842, 344165, 587105, 688330, 1174210, 1996157, 3992314, 9980785, 19961570]

約数ペア:

[(1, 19961570), (2, 9980785), (5, 3992314), (10, 1996157), (17, 1174210), (29, 688330), (34, 587105), (58, 344165), (85, 234842), (145, 137666), (170, 117421), (290, 68833), (493, 40490), (986, 20245), (2465, 8098), (4049, 4930)]