19180371

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19433}}^1$

素因数の和:19490

約数の個数: 16

約数和(自身を含む): 29850624

約数和(自身を除く): 10670253

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19433, 58299, 136031, 408093, 913351, 2740053, 6393457, 19180371]

約数ペア:

[(1, 19180371), (3, 6393457), (7, 2740053), (21, 913351), (47, 408093), (141, 136031), (329, 58299), (987, 19433)]