19425147

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19681}}^1$

素因数の和:19738

約数の個数: 16

約数和(自身を含む): 30231552

約数和(自身を除く): 10806405

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19681, 59043, 137767, 413301, 925007, 2775021, 6475049, 19425147]

約数ペア:

[(1, 19425147), (3, 6475049), (7, 2775021), (21, 925007), (47, 413301), (141, 137767), (329, 59043), (987, 19681)]