18619289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 20761104

約数和(自身を除く): 2141815

約数列:

[1, 13, 41, 181, 193, 533, 2353, 2509, 7421, 7913, 34933, 96473, 102869, 454129, 1432253, 18619289]

約数ペア:

[(1, 18619289), (13, 1432253), (41, 454129), (181, 102869), (193, 96473), (533, 34933), (2353, 7913), (2509, 7421)]