18905692

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27967}}^1$

素因数の和:27997

約数の個数: 18

約数和(自身を含む): 35827008

約数和(自身を除く): 16921316

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27967, 55934, 111868, 363571, 727142, 1454284, 4726423, 9452846, 18905692]

約数ペア:

[(1, 18905692), (2, 9452846), (4, 4726423), (13, 1454284), (26, 727142), (52, 363571), (169, 111868), (338, 55934), (676, 27967)]