19745331

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 26764800

約数和(自身を除く): 7019469

約数列:

[1, 3, 149, 163, 271, 447, 489, 813, 24287, 40379, 44173, 72861, 121137, 132519, 6581777, 19745331]

約数ペア:

[(1, 19745331), (3, 6581777), (149, 132519), (163, 121137), (271, 72861), (447, 44173), (489, 40379), (813, 24287)]