19996775810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{972133}}^1$

素因数の和:972179

約数の個数: 48

約数和(自身を含む): 41891198328

約数和(自身を除く): 21894422518

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 935, 1210, 1870, 2057, 4114, 10285, 20570, 972133, 1944266, 4860665, 9721330, 10693463, 16526261, 21386926, 33052522, 53467315, 82631305, 106934630, 117628093, 165262610, 181788871, 235256186, 363577742, 588140465, 908944355, 1176280930, 1817888710, 1999677581, 3999355162, 9998387905, 19996775810]

約数ペア:

[(1, 19996775810), (2, 9998387905), (5, 3999355162), (10, 1999677581), (11, 1817888710), (17, 1176280930), (22, 908944355), (34, 588140465), (55, 363577742), (85, 235256186), (110, 181788871), (121, 165262610), (170, 117628093), (187, 106934630), (242, 82631305), (374, 53467315), (605, 33052522), (935, 21386926), (1210, 16526261), (1870, 10693463), (2057, 9721330), (4114, 4860665), (10285, 1944266), (20570, 972133)]