19668766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18451}}^1$

素因数の和:18507

約数の個数: 16

約数和(自身を含む): 32549328

約数和(自身を除く): 12880562

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 18451, 36902, 239863, 479726, 756491, 1512982, 9834383, 19668766]

約数ペア:

[(1, 19668766), (2, 9834383), (13, 1512982), (26, 756491), (41, 479726), (82, 239863), (533, 36902), (1066, 18451)]