18703671

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7013}}^1$

素因数の和:7150

約数の個数: 16

約数和(自身を含む): 28729344

約数和(自身を除く): 10025673

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7013, 21039, 49091, 147273, 890651, 2671953, 6234557, 18703671]

約数ペア:

[(1, 18703671), (3, 6234557), (7, 2671953), (21, 890651), (127, 147273), (381, 49091), (889, 21039), (2667, 7013)]