19616746

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6991}}^1$

素因数の和:7077

約数の個数: 16

約数和(自身を含む): 31212288

約数和(自身を除く): 11595542

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 6991, 13982, 160793, 321586, 426451, 852902, 9808373, 19616746]

約数ペア:

[(1, 19616746), (2, 9808373), (23, 852902), (46, 426451), (61, 321586), (122, 160793), (1403, 13982), (2806, 6991)]