19849390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4877}}^1$

素因数の和:4932

約数の個数: 32

約数和(自身を含む): 40038624

約数和(自身を除く): 20189234

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4877, 9754, 24385, 48770, 53647, 107294, 180449, 268235, 360898, 536470, 902245, 1804490, 1984939, 3969878, 9924695, 19849390]

約数ペア:

[(1, 19849390), (2, 9924695), (5, 3969878), (10, 1984939), (11, 1804490), (22, 902245), (37, 536470), (55, 360898), (74, 268235), (110, 180449), (185, 107294), (370, 53647), (407, 48770), (814, 24385), (2035, 9754), (4070, 4877)]