19546839

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 33134640

約数和(自身を除く): 13587801

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 977, 1053, 1539, 2223, 2931, 6669, 8793, 12701, 18563, 20007, 26379, 38103, 55689, 79137, 114309, 167067, 241319, 342927, 501201, 723957, 1028781, 1503603, 2171871, 6515613, 19546839]

約数ペア:

[(1, 19546839), (3, 6515613), (9, 2171871), (13, 1503603), (19, 1028781), (27, 723957), (39, 501201), (57, 342927), (81, 241319), (117, 167067), (171, 114309), (247, 79137), (351, 55689), (513, 38103), (741, 26379), (977, 20007), (1053, 18563), (1539, 12701), (2223, 8793), (2931, 6669)]