18687310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64439}}^1$

素因数の和:64475

約数の個数: 16

約数和(自身を含む): 34797600

約数和(自身を除く): 16110290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 64439, 128878, 322195, 644390, 1868731, 3737462, 9343655, 18687310]

約数ペア:

[(1, 18687310), (2, 9343655), (5, 3737462), (10, 1868731), (29, 644390), (58, 322195), (145, 128878), (290, 64439)]