18659410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2203}}^1$

素因数の和:2239

約数の個数: 48

約数和(自身を含む): 42211008

約数和(自身を除く): 23551598

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2203, 4235, 4406, 8470, 11015, 15421, 22030, 24233, 30842, 48466, 77105, 121165, 154210, 169631, 242330, 266563, 339262, 533126, 848155, 1332815, 1696310, 1865941, 2665630, 3731882, 9329705, 18659410]

約数ペア:

[(1, 18659410), (2, 9329705), (5, 3731882), (7, 2665630), (10, 1865941), (11, 1696310), (14, 1332815), (22, 848155), (35, 533126), (55, 339262), (70, 266563), (77, 242330), (110, 169631), (121, 154210), (154, 121165), (242, 77105), (385, 48466), (605, 30842), (770, 24233), (847, 22030), (1210, 15421), (1694, 11015), (2203, 8470), (4235, 4406)]