19453203

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3119}}^1$

素因数の和:3149

約数の個数: 40

約数和(自身を含む): 36241920

約数和(自身を除く): 16788717

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3119, 6237, 9357, 21833, 28071, 34309, 65499, 84213, 102927, 196497, 240163, 252639, 308781, 589491, 720489, 926343, 1768473, 2161467, 2779029, 6484401, 19453203]

約数ペア:

[(1, 19453203), (3, 6484401), (7, 2779029), (9, 2161467), (11, 1768473), (21, 926343), (27, 720489), (33, 589491), (63, 308781), (77, 252639), (81, 240163), (99, 196497), (189, 102927), (231, 84213), (297, 65499), (567, 34309), (693, 28071), (891, 21833), (2079, 9357), (3119, 6237)]