19897304

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8263}}^1$

素因数の和:8319

約数の個数: 32

約数和(自身を含む): 43633920

約数和(自身を除く): 23736616

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8263, 16526, 33052, 57841, 66104, 115682, 231364, 355309, 462728, 710618, 1421236, 2487163, 2842472, 4974326, 9948652, 19897304]

約数ペア:

[(1, 19897304), (2, 9948652), (4, 4974326), (7, 2842472), (8, 2487163), (14, 1421236), (28, 710618), (43, 462728), (56, 355309), (86, 231364), (172, 115682), (301, 66104), (344, 57841), (602, 33052), (1204, 16526), (2408, 8263)]