18253168

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 37238688

約数和(自身を除く): 18985520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 193, 257, 368, 386, 514, 772, 1028, 1544, 2056, 3088, 4112, 4439, 5911, 8878, 11822, 17756, 23644, 35512, 47288, 49601, 71024, 94576, 99202, 198404, 396808, 793616, 1140823, 2281646, 4563292, 9126584, 18253168]

約数ペア:

[(1, 18253168), (2, 9126584), (4, 4563292), (8, 2281646), (16, 1140823), (23, 793616), (46, 396808), (92, 198404), (184, 99202), (193, 94576), (257, 71024), (368, 49601), (386, 47288), (514, 35512), (772, 23644), (1028, 17756), (1544, 11822), (2056, 8878), (3088, 5911), (4112, 4439)]