18912647

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 21762048

約数和(自身を除く): 2849401

約数列:

[1, 13, 23, 43, 299, 559, 989, 1471, 12857, 19123, 33833, 63253, 439829, 822289, 1454819, 18912647]

約数ペア:

[(1, 18912647), (13, 1454819), (23, 822289), (43, 439829), (299, 63253), (559, 33833), (989, 19123), (1471, 12857)]