18836272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 47621952

約数和(自身を除く): 28785680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 761, 884, 952, 1456, 1522, 1547, 1768, 1904, 3044, 3094, 3536, 5327, 6088, 6188, 9893, 10654, 12176, 12376, 12937, 19786, 21308, 24752, 25874, 39572, 42616, 51748, 69251, 79144, 85232, 90559, 103496, 138502, 158288, 168181, 181118, 206992, 277004, 336362, 362236, 554008, 672724, 724472, 1108016, 1177267, 1345448, 1448944, 2354534, 2690896, 4709068, 9418136, 18836272]

約数ペア:

[(1, 18836272), (2, 9418136), (4, 4709068), (7, 2690896), (8, 2354534), (13, 1448944), (14, 1345448), (16, 1177267), (17, 1108016), (26, 724472), (28, 672724), (34, 554008), (52, 362236), (56, 336362), (68, 277004), (91, 206992), (104, 181118), (112, 168181), (119, 158288), (136, 138502), (182, 103496), (208, 90559), (221, 85232), (238, 79144), (272, 69251), (364, 51748), (442, 42616), (476, 39572), (728, 25874), (761, 24752), (884, 21308), (952, 19786), (1456, 12937), (1522, 12376), (1547, 12176), (1768, 10654), (1904, 9893), (3044, 6188), (3094, 6088), (3536, 5327)]