19271511

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2053}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 32042400

約数和(自身を除く): 12770889

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 2053, 3129, 6159, 9387, 14371, 18477, 43113, 129339, 305897, 917691, 2141279, 2753073, 6423837, 19271511]

約数ペア:

[(1, 19271511), (3, 6423837), (7, 2753073), (9, 2141279), (21, 917691), (63, 305897), (149, 129339), (447, 43113), (1043, 18477), (1341, 14371), (2053, 9387), (3129, 6159)]