18423812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 18348028

約数列:

[1, 2, 4, 11, 22, 44, 47, 59, 94, 118, 151, 188, 236, 302, 517, 604, 649, 1034, 1298, 1661, 2068, 2596, 2773, 3322, 5546, 6644, 7097, 8909, 11092, 14194, 17818, 28388, 30503, 35636, 61006, 78067, 97999, 122012, 156134, 195998, 312268, 391996, 418723, 837446, 1674892, 4605953, 9211906, 18423812]

約数ペア:

[(1, 18423812), (2, 9211906), (4, 4605953), (11, 1674892), (22, 837446), (44, 418723), (47, 391996), (59, 312268), (94, 195998), (118, 156134), (151, 122012), (188, 97999), (236, 78067), (302, 61006), (517, 35636), (604, 30503), (649, 28388), (1034, 17818), (1298, 14194), (1661, 11092), (2068, 8909), (2596, 7097), (2773, 6644), (3322, 5546)]