19928818

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8423}}^1$

素因数の和:8458

約数の個数: 24

約数和(自身を含む): 36998208

約数和(自身を除く): 17069390

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 8423, 16846, 58961, 109499, 117922, 218998, 766493, 1423487, 1532986, 2846974, 9964409, 19928818]

約数ペア:

[(1, 19928818), (2, 9964409), (7, 2846974), (13, 1532986), (14, 1423487), (26, 766493), (91, 218998), (169, 117922), (182, 109499), (338, 58961), (1183, 16846), (2366, 8423)]