17889872

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 46580352

約数和(自身を除く): 28690480

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1117, 1144, 1232, 1456, 2002, 2234, 2288, 4004, 4468, 7819, 8008, 8936, 12287, 14521, 15638, 16016, 17872, 24574, 29042, 31276, 49148, 58084, 62552, 86009, 98296, 101647, 116168, 125104, 159731, 172018, 196592, 203294, 232336, 319462, 344036, 406588, 638924, 688072, 813176, 1118117, 1277848, 1376144, 1626352, 2236234, 2555696, 4472468, 8944936, 17889872]

約数ペア:

[(1, 17889872), (2, 8944936), (4, 4472468), (7, 2555696), (8, 2236234), (11, 1626352), (13, 1376144), (14, 1277848), (16, 1118117), (22, 813176), (26, 688072), (28, 638924), (44, 406588), (52, 344036), (56, 319462), (77, 232336), (88, 203294), (91, 196592), (104, 172018), (112, 159731), (143, 125104), (154, 116168), (176, 101647), (182, 98296), (208, 86009), (286, 62552), (308, 58084), (364, 49148), (572, 31276), (616, 29042), (728, 24574), (1001, 17872), (1117, 16016), (1144, 15638), (1232, 14521), (1456, 12287), (2002, 8936), (2234, 8008), (2288, 7819), (4004, 4468)]