19732384

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:797

約数の個数: 48

約数和(自身を含む): 44791488

約数和(自身を除く): 25059104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 643, 959, 1096, 1286, 1918, 2192, 2572, 3836, 4384, 4501, 5144, 7672, 9002, 10288, 15344, 18004, 20576, 30688, 36008, 72016, 88091, 144032, 176182, 352364, 616637, 704728, 1233274, 1409456, 2466548, 2818912, 4933096, 9866192, 19732384]

約数ペア:

[(1, 19732384), (2, 9866192), (4, 4933096), (7, 2818912), (8, 2466548), (14, 1409456), (16, 1233274), (28, 704728), (32, 616637), (56, 352364), (112, 176182), (137, 144032), (224, 88091), (274, 72016), (548, 36008), (643, 30688), (959, 20576), (1096, 18004), (1286, 15344), (1918, 10288), (2192, 9002), (2572, 7672), (3836, 5144), (4384, 4501)]