18784870891

素因数分解:

${\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{41843}}^1$

素因数の和:42146

約数の個数: 16

約数和(自身を含む): 19884268800

約数和(自身を除く): 1099397909

約数列:

[1, 23, 131, 149, 3013, 3427, 19519, 41843, 448937, 962389, 5481433, 6234607, 126072959, 143395961, 816733517, 18784870891]

約数ペア:

[(1, 18784870891), (23, 816733517), (131, 143395961), (149, 126072959), (3013, 6234607), (3427, 5481433), (19519, 962389), (41843, 448937)]