19206304

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 41140008

約数和(自身を除く): 21933704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 137, 208, 274, 337, 416, 548, 674, 1096, 1348, 1781, 2192, 2696, 3562, 4381, 4384, 5392, 7124, 8762, 10784, 14248, 17524, 28496, 35048, 46169, 56992, 70096, 92338, 140192, 184676, 369352, 600197, 738704, 1200394, 1477408, 2400788, 4801576, 9603152, 19206304]

約数ペア:

[(1, 19206304), (2, 9603152), (4, 4801576), (8, 2400788), (13, 1477408), (16, 1200394), (26, 738704), (32, 600197), (52, 369352), (104, 184676), (137, 140192), (208, 92338), (274, 70096), (337, 56992), (416, 46169), (548, 35048), (674, 28496), (1096, 17524), (1348, 14248), (1781, 10784), (2192, 8762), (2696, 7124), (3562, 5392), (4381, 4384)]