18400173

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12967}}^1$

素因数の和:13024

約数の個数: 16

約数和(自身を含む): 27388416

約数和(自身を除く): 8988243

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 12967, 38901, 142637, 427911, 557581, 1672743, 6133391, 18400173]

約数ペア:

[(1, 18400173), (3, 6133391), (11, 1672743), (33, 557581), (43, 427911), (129, 142637), (473, 38901), (1419, 12967)]