18952021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 21231360

約数和(自身を除く): 2279339

約数列:

[1, 11, 79, 113, 193, 869, 1243, 2123, 8927, 15247, 21809, 98197, 167717, 239899, 1722911, 18952021]

約数ペア:

[(1, 18952021), (11, 1722911), (79, 239899), (113, 167717), (193, 98197), (869, 21809), (1243, 15247), (2123, 8927)]