18778474

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 34320384

約数和(自身を除く): 15541910

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 121, 127, 143, 242, 254, 286, 517, 611, 1034, 1222, 1397, 1573, 1651, 2794, 3146, 3302, 5687, 5969, 6721, 11374, 11938, 13442, 15367, 18161, 30734, 36322, 65659, 73931, 77597, 131318, 147862, 155194, 199771, 399542, 722249, 853567, 1444498, 1707134, 9389237, 18778474]

約数ペア:

[(1, 18778474), (2, 9389237), (11, 1707134), (13, 1444498), (22, 853567), (26, 722249), (47, 399542), (94, 199771), (121, 155194), (127, 147862), (143, 131318), (242, 77597), (254, 73931), (286, 65659), (517, 36322), (611, 30734), (1034, 18161), (1222, 15367), (1397, 13442), (1573, 11938), (1651, 11374), (2794, 6721), (3146, 5969), (3302, 5687)]