19885768

素因数分解:

$2^3\times 7^3\times {\mathrm{7247}}^1$

素因数の和:7274

約数の個数: 32

約数和(自身を含む): 43488000

約数和(自身を除く): 23602232

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7247, 14494, 28988, 50729, 57976, 101458, 202916, 355103, 405832, 710206, 1420412, 2485721, 2840824, 4971442, 9942884, 19885768]

約数ペア:

[(1, 19885768), (2, 9942884), (4, 4971442), (7, 2840824), (8, 2485721), (14, 1420412), (28, 710206), (49, 405832), (56, 355103), (98, 202916), (196, 101458), (343, 57976), (392, 50729), (686, 28988), (1372, 14494), (2744, 7247)]