19388654

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:236

約数の個数: 24

約数和(自身を含む): 30600480

約数和(自身を除く): 11211826

約数列:

[1, 2, 41, 73, 79, 82, 146, 158, 1681, 2993, 3239, 3362, 5767, 5986, 6478, 11534, 122713, 132799, 236447, 245426, 265598, 472894, 9694327, 19388654]

約数ペア:

[(1, 19388654), (2, 9694327), (41, 472894), (73, 265598), (79, 245426), (82, 236447), (146, 132799), (158, 122713), (1681, 11534), (2993, 6478), (3239, 5986), (3362, 5767)]