19555826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7681}}^1$

素因数の和:7769

約数の個数: 16

約数和(自身を含む): 31342560

約数和(自身を除く): 11786734

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7681, 15362, 145939, 291878, 514627, 1029254, 9777913, 19555826]

約数ペア:

[(1, 19555826), (2, 9777913), (19, 1029254), (38, 514627), (67, 291878), (134, 145939), (1273, 15362), (2546, 7681)]