18064683

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 34358688

約数和(自身を除く): 16294005

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 49, 63, 69, 91, 117, 137, 147, 161, 207, 273, 299, 411, 441, 483, 637, 819, 897, 959, 1127, 1233, 1449, 1781, 1911, 2093, 2691, 2877, 3151, 3381, 5343, 5733, 6279, 6713, 8631, 9453, 10143, 12467, 14651, 16029, 18837, 20139, 22057, 28359, 37401, 40963, 43953, 60417, 66171, 87269, 112203, 122889, 131859, 154399, 198513, 261807, 286741, 368667, 463197, 785421, 860223, 1389591, 2007187, 2580669, 6021561, 18064683]

約数ペア:

[(1, 18064683), (3, 6021561), (7, 2580669), (9, 2007187), (13, 1389591), (21, 860223), (23, 785421), (39, 463197), (49, 368667), (63, 286741), (69, 261807), (91, 198513), (117, 154399), (137, 131859), (147, 122889), (161, 112203), (207, 87269), (273, 66171), (299, 60417), (411, 43953), (441, 40963), (483, 37401), (637, 28359), (819, 22057), (897, 20139), (959, 18837), (1127, 16029), (1233, 14651), (1449, 12467), (1781, 10143), (1911, 9453), (2093, 8631), (2691, 6713), (2877, 6279), (3151, 5733), (3381, 5343)]