19863674

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7079}}^1$

素因数の和:7165

約数の個数: 16

約数和(自身を含む): 31605120

約数和(自身を除く): 11741446

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7079, 14158, 162817, 325634, 431819, 863638, 9931837, 19863674]

約数ペア:

[(1, 19863674), (2, 9931837), (23, 863638), (46, 431819), (61, 325634), (122, 162817), (1403, 14158), (2806, 7079)]