18887531

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 21403200

約数和(自身を除く): 2515669

約数列:

[1, 13, 23, 181, 299, 349, 2353, 4163, 4537, 8027, 54119, 63169, 104351, 821197, 1452887, 18887531]

約数ペア:

[(1, 18887531), (13, 1452887), (23, 821197), (181, 104351), (299, 63169), (349, 54119), (2353, 8027), (4163, 4537)]