18757284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 54754560

約数和(自身を除く): 35997276

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 89, 91, 156, 178, 182, 193, 267, 273, 356, 364, 386, 534, 546, 579, 623, 772, 1068, 1092, 1157, 1158, 1246, 1351, 1869, 2314, 2316, 2492, 2509, 2702, 3471, 3738, 4053, 4628, 5018, 5404, 6942, 7476, 7527, 8099, 8106, 10036, 13884, 15054, 16198, 16212, 17177, 17563, 24297, 30108, 32396, 34354, 35126, 48594, 51531, 52689, 68708, 70252, 97188, 103062, 105378, 120239, 206124, 210756, 223301, 240478, 360717, 446602, 480956, 669903, 721434, 893204, 1339806, 1442868, 1563107, 2679612, 3126214, 4689321, 6252428, 9378642, 18757284]

約数ペア:

[(1, 18757284), (2, 9378642), (3, 6252428), (4, 4689321), (6, 3126214), (7, 2679612), (12, 1563107), (13, 1442868), (14, 1339806), (21, 893204), (26, 721434), (28, 669903), (39, 480956), (42, 446602), (52, 360717), (78, 240478), (84, 223301), (89, 210756), (91, 206124), (156, 120239), (178, 105378), (182, 103062), (193, 97188), (267, 70252), (273, 68708), (356, 52689), (364, 51531), (386, 48594), (534, 35126), (546, 34354), (579, 32396), (623, 30108), (772, 24297), (1068, 17563), (1092, 17177), (1157, 16212), (1158, 16198), (1246, 15054), (1351, 13884), (1869, 10036), (2314, 8106), (2316, 8099), (2492, 7527), (2509, 7476), (2702, 6942), (3471, 5404), (3738, 5018), (4053, 4628)]