18693251

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 20585664

約数和(自身を除く): 1892413

約数列:

[1, 17, 37, 113, 263, 629, 1921, 4181, 4471, 9731, 29719, 71077, 165427, 505223, 1099603, 18693251]

約数ペア:

[(1, 18693251), (17, 1099603), (37, 505223), (113, 165427), (263, 71077), (629, 29719), (1921, 9731), (4181, 4471)]