19279980309

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1\times {\mathrm{3313}}^1$

素因数の和:3789

約数の個数: 32

約数和(自身を含む): 26533209600

約数和(自身を除く): 7253229291

約数列:

[1, 3, 47, 141, 149, 277, 447, 831, 3313, 7003, 9939, 13019, 21009, 39057, 41273, 123819, 155711, 467133, 493637, 917701, 1480911, 1939831, 2753103, 5819493, 23200939, 43131947, 69602817, 129395841, 136737449, 410212347, 6426660103, 19279980309]

約数ペア:

[(1, 19279980309), (3, 6426660103), (47, 410212347), (141, 136737449), (149, 129395841), (277, 69602817), (447, 43131947), (831, 23200939), (3313, 5819493), (7003, 2753103), (9939, 1939831), (13019, 1480911), (21009, 917701), (39057, 493637), (41273, 467133), (123819, 155711)]