18883921049

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{219629}}^1$

素因数の和:219880

約数の個数: 16

約数和(自身を含む): 22012197120

約数和(自身を除く): 3128276071

約数列:

[1, 7, 71, 173, 497, 1211, 12283, 85981, 219629, 1537403, 15593659, 37995817, 109155613, 265970719, 2697703007, 18883921049]

約数ペア:

[(1, 18883921049), (7, 2697703007), (71, 265970719), (173, 109155613), (497, 37995817), (1211, 15593659), (12283, 1537403), (85981, 219629)]