19729239

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 9646761

約数列:

[1, 3, 19, 23, 57, 69, 101, 149, 303, 437, 447, 1311, 1919, 2323, 2831, 3427, 5757, 6969, 8493, 10281, 15049, 44137, 45147, 65113, 132411, 195339, 285931, 346127, 857793, 1038381, 6576413, 19729239]

約数ペア:

[(1, 19729239), (3, 6576413), (19, 1038381), (23, 857793), (57, 346127), (69, 285931), (101, 195339), (149, 132411), (303, 65113), (437, 45147), (447, 44137), (1311, 15049), (1919, 10281), (2323, 8493), (2831, 6969), (3427, 5757)]