18440679

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{877}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 25342592

約数和(自身を除く): 6901913

約数列:

[1, 3, 43, 129, 163, 489, 877, 2631, 7009, 21027, 37711, 113133, 142951, 428853, 6146893, 18440679]

約数ペア:

[(1, 18440679), (3, 6146893), (43, 428853), (129, 142951), (163, 113133), (489, 37711), (877, 21027), (2631, 7009)]