18870488

素因数分解:

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

素因数の和:86

約数の個数: 96

約数和(自身を含む): 46452000

約数和(自身を除く): 27581512

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 161, 182, 184, 196, 299, 322, 343, 364, 392, 529, 598, 637, 644, 686, 728, 1058, 1127, 1196, 1274, 1288, 1372, 2093, 2116, 2254, 2392, 2548, 2744, 3703, 4186, 4232, 4459, 4508, 5096, 6877, 7406, 7889, 8372, 8918, 9016, 13754, 14651, 14812, 15778, 16744, 17836, 25921, 27508, 29302, 29624, 31556, 35672, 48139, 51842, 55016, 58604, 63112, 96278, 102557, 103684, 117208, 181447, 192556, 205114, 207368, 336973, 362894, 385112, 410228, 673946, 725788, 820456, 1347892, 1451576, 2358811, 2695784, 4717622, 9435244, 18870488]

約数ペア:

[(1, 18870488), (2, 9435244), (4, 4717622), (7, 2695784), (8, 2358811), (13, 1451576), (14, 1347892), (23, 820456), (26, 725788), (28, 673946), (46, 410228), (49, 385112), (52, 362894), (56, 336973), (91, 207368), (92, 205114), (98, 192556), (104, 181447), (161, 117208), (182, 103684), (184, 102557), (196, 96278), (299, 63112), (322, 58604), (343, 55016), (364, 51842), (392, 48139), (529, 35672), (598, 31556), (637, 29624), (644, 29302), (686, 27508), (728, 25921), (1058, 17836), (1127, 16744), (1196, 15778), (1274, 14812), (1288, 14651), (1372, 13754), (2093, 9016), (2116, 8918), (2254, 8372), (2392, 7889), (2548, 7406), (2744, 6877), (3703, 5096), (4186, 4508), (4232, 4459)]