19022168

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 40203240

約数和(自身を除く): 21181072

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 457, 473, 484, 914, 946, 968, 1828, 1892, 3656, 3784, 5027, 5203, 10054, 10406, 19651, 20108, 20812, 39302, 40216, 41624, 55297, 78604, 110594, 157208, 216161, 221188, 432322, 442376, 864644, 1729288, 2377771, 4755542, 9511084, 19022168]

約数ペア:

[(1, 19022168), (2, 9511084), (4, 4755542), (8, 2377771), (11, 1729288), (22, 864644), (43, 442376), (44, 432322), (86, 221188), (88, 216161), (121, 157208), (172, 110594), (242, 78604), (344, 55297), (457, 41624), (473, 40216), (484, 39302), (914, 20812), (946, 20108), (968, 19651), (1828, 10406), (1892, 10054), (3656, 5203), (3784, 5027)]