18563336

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 38814720

約数和(自身を除く): 20251384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 127, 151, 242, 254, 302, 484, 508, 604, 968, 1016, 1208, 1397, 1661, 2794, 3322, 5588, 6644, 11176, 13288, 15367, 18271, 19177, 30734, 36542, 38354, 61468, 73084, 76708, 122936, 146168, 153416, 210947, 421894, 843788, 1687576, 2320417, 4640834, 9281668, 18563336]

約数ペア:

[(1, 18563336), (2, 9281668), (4, 4640834), (8, 2320417), (11, 1687576), (22, 843788), (44, 421894), (88, 210947), (121, 153416), (127, 146168), (151, 122936), (242, 76708), (254, 73084), (302, 61468), (484, 38354), (508, 36542), (604, 30734), (968, 19177), (1016, 18271), (1208, 15367), (1397, 13288), (1661, 11176), (2794, 6644), (3322, 5588)]