19904226

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^2\times {\mathrm{739}}^1$

素因数の和:878

約数の個数: 24

約数和(自身を含む): 40466160

約数和(自身を除く): 20561934

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 739, 1478, 2217, 4434, 4489, 8978, 13467, 26934, 49513, 99026, 148539, 297078, 3317371, 6634742, 9952113, 19904226]

約数ペア:

[(1, 19904226), (2, 9952113), (3, 6634742), (6, 3317371), (67, 297078), (134, 148539), (201, 99026), (402, 49513), (739, 26934), (1478, 13467), (2217, 8978), (4434, 4489)]