18736697540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7742437}}^1$

素因数の和:7742468

約数の個数: 36

約数和(自身を含む): 43249258668

約数和(自身を除く): 24512561128

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7742437, 15484874, 30969748, 38712185, 77424370, 85166807, 154848740, 170333614, 340667228, 425834035, 851668070, 936834877, 1703336140, 1873669754, 3747339508, 4684174385, 9368348770, 18736697540]

約数ペア:

[(1, 18736697540), (2, 9368348770), (4, 4684174385), (5, 3747339508), (10, 1873669754), (11, 1703336140), (20, 936834877), (22, 851668070), (44, 425834035), (55, 340667228), (110, 170333614), (121, 154848740), (220, 85166807), (242, 77424370), (484, 38712185), (605, 30969748), (1210, 15484874), (2420, 7742437)]