17979721

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 19611648

約数和(自身を除く): 1631927

約数列:

[1, 23, 31, 151, 167, 713, 3473, 3841, 4681, 5177, 25217, 107663, 119071, 579991, 781727, 17979721]

約数ペア:

[(1, 17979721), (23, 781727), (31, 579991), (151, 119071), (167, 107663), (713, 25217), (3473, 5177), (3841, 4681)]