18431395

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1931}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 4938077

約数列:

[1, 5, 23, 83, 115, 415, 1909, 1931, 9545, 9655, 44413, 160273, 222065, 801365, 3686279, 18431395]

約数ペア:

[(1, 18431395), (5, 3686279), (23, 801365), (83, 222065), (115, 160273), (415, 44413), (1909, 9655), (1931, 9545)]