18506268

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2787

約数の個数: 72

約数和(自身を含む): 54054000

約数和(自身を除く): 35547732

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 2749, 3366, 5498, 6732, 8247, 10996, 16494, 24741, 30239, 32988, 46733, 49482, 60478, 90717, 93466, 98964, 120956, 140199, 181434, 186932, 272151, 280398, 362868, 420597, 514063, 544302, 560796, 841194, 1028126, 1088604, 1542189, 1682388, 2056252, 3084378, 4626567, 6168756, 9253134, 18506268]

約数ペア:

[(1, 18506268), (2, 9253134), (3, 6168756), (4, 4626567), (6, 3084378), (9, 2056252), (11, 1682388), (12, 1542189), (17, 1088604), (18, 1028126), (22, 841194), (33, 560796), (34, 544302), (36, 514063), (44, 420597), (51, 362868), (66, 280398), (68, 272151), (99, 186932), (102, 181434), (132, 140199), (153, 120956), (187, 98964), (198, 93466), (204, 90717), (306, 60478), (374, 49482), (396, 46733), (561, 32988), (612, 30239), (748, 24741), (1122, 16494), (1683, 10996), (2244, 8247), (2749, 6732), (3366, 5498)]