19267744

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 21229664

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 92, 94, 184, 188, 368, 376, 557, 736, 752, 1081, 1114, 1504, 2162, 2228, 4324, 4456, 8648, 8912, 12811, 17296, 17824, 25622, 26179, 34592, 51244, 52358, 102488, 104716, 204976, 209432, 409952, 418864, 602117, 837728, 1204234, 2408468, 4816936, 9633872, 19267744]

約数ペア:

[(1, 19267744), (2, 9633872), (4, 4816936), (8, 2408468), (16, 1204234), (23, 837728), (32, 602117), (46, 418864), (47, 409952), (92, 209432), (94, 204976), (184, 104716), (188, 102488), (368, 52358), (376, 51244), (557, 34592), (736, 26179), (752, 25622), (1081, 17824), (1114, 17296), (1504, 12811), (2162, 8912), (2228, 8648), (4324, 4456)]