19867118

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 12978706

約数列:

[1, 2, 17, 34, 43, 86, 107, 127, 214, 254, 731, 1462, 1819, 2159, 3638, 4318, 4601, 5461, 9202, 10922, 13589, 27178, 78217, 92837, 156434, 185674, 231013, 462026, 584327, 1168654, 9933559, 19867118]

約数ペア:

[(1, 19867118), (2, 9933559), (17, 1168654), (34, 584327), (43, 462026), (86, 231013), (107, 185674), (127, 156434), (214, 92837), (254, 78217), (731, 27178), (1462, 13589), (1819, 10922), (2159, 9202), (3638, 5461), (4318, 4601)]