18189591

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{27941}}^1$

素因数の和:27982

約数の個数: 16

約数和(自身を含む): 28612608

約数和(自身を除く): 10423017

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 27941, 83823, 195587, 586761, 866171, 2598513, 6063197, 18189591]

約数ペア:

[(1, 18189591), (3, 6063197), (7, 2598513), (21, 866171), (31, 586761), (93, 195587), (217, 83823), (651, 27941)]