19500886

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{541}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 29853360

約数和(自身を除く): 10352474

約数列:

[1, 2, 67, 134, 269, 538, 541, 1082, 18023, 36046, 36247, 72494, 145529, 291058, 9750443, 19500886]

約数ペア:

[(1, 19500886), (2, 9750443), (67, 291058), (134, 145529), (269, 72494), (538, 36247), (541, 36046), (1082, 18023)]