18627986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10091}}^1$

素因数の和:10177

約数の個数: 16

約数和(自身を含む): 30518208

約数和(自身を除く): 11890222

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10091, 20182, 131183, 262366, 716461, 1432922, 9313993, 18627986]

約数ペア:

[(1, 18627986), (2, 9313993), (13, 1432922), (26, 716461), (71, 262366), (142, 131183), (923, 20182), (1846, 10091)]