19947921837

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8138687}}^1$

素因数の和:8138752

約数の個数: 16

約数和(自身を含む): 28648181760

約数和(自身を除く): 8700259923

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8138687, 24416061, 154635053, 349963541, 463905159, 1049890623, 6649307279, 19947921837]

約数ペア:

[(1, 19947921837), (3, 6649307279), (19, 1049890623), (43, 463905159), (57, 349963541), (129, 154635053), (817, 24416061), (2451, 8138687)]