18940856

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1151}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22427464

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1151, 1496, 2057, 2302, 4114, 4604, 8228, 9208, 12661, 16456, 19567, 25322, 39134, 50644, 78268, 101288, 139271, 156536, 215237, 278542, 430474, 557084, 860948, 1114168, 1721896, 2367607, 4735214, 9470428, 18940856]

約数ペア:

[(1, 18940856), (2, 9470428), (4, 4735214), (8, 2367607), (11, 1721896), (17, 1114168), (22, 860948), (34, 557084), (44, 430474), (68, 278542), (88, 215237), (121, 156536), (136, 139271), (187, 101288), (242, 78268), (374, 50644), (484, 39134), (748, 25322), (968, 19567), (1151, 16456), (1496, 12661), (2057, 9208), (2302, 8228), (4114, 4604)]