18766748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 45534720

約数和(自身を除く): 26767972

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 43, 44, 52, 77, 86, 91, 109, 143, 154, 172, 182, 218, 286, 301, 308, 364, 436, 473, 559, 572, 602, 763, 946, 1001, 1118, 1199, 1204, 1417, 1526, 1892, 2002, 2236, 2398, 2834, 3052, 3311, 3913, 4004, 4687, 4796, 5668, 6149, 6622, 7826, 8393, 9374, 9919, 12298, 13244, 15587, 15652, 16786, 18748, 19838, 24596, 31174, 32809, 33572, 39676, 43043, 51557, 60931, 62348, 65618, 86086, 103114, 109109, 121862, 131236, 172172, 206228, 218218, 243724, 360899, 426517, 436436, 670241, 721798, 853034, 1340482, 1443596, 1706068, 2680964, 4691687, 9383374, 18766748]

約数ペア:

[(1, 18766748), (2, 9383374), (4, 4691687), (7, 2680964), (11, 1706068), (13, 1443596), (14, 1340482), (22, 853034), (26, 721798), (28, 670241), (43, 436436), (44, 426517), (52, 360899), (77, 243724), (86, 218218), (91, 206228), (109, 172172), (143, 131236), (154, 121862), (172, 109109), (182, 103114), (218, 86086), (286, 65618), (301, 62348), (308, 60931), (364, 51557), (436, 43043), (473, 39676), (559, 33572), (572, 32809), (602, 31174), (763, 24596), (946, 19838), (1001, 18748), (1118, 16786), (1199, 15652), (1204, 15587), (1417, 13244), (1526, 12298), (1892, 9919), (2002, 9374), (2236, 8393), (2398, 7826), (2834, 6622), (3052, 6149), (3311, 5668), (3913, 4796), (4004, 4687)]