19868216

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 38802240

約数和(自身を除く): 18934024

約数列:

[1, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 997, 1994, 2491, 3988, 4982, 7976, 9964, 19928, 46859, 52841, 93718, 105682, 187436, 211364, 374872, 422728, 2483527, 4967054, 9934108, 19868216]

約数ペア:

[(1, 19868216), (2, 9934108), (4, 4967054), (8, 2483527), (47, 422728), (53, 374872), (94, 211364), (106, 187436), (188, 105682), (212, 93718), (376, 52841), (424, 46859), (997, 19928), (1994, 9964), (2491, 7976), (3988, 4982)]