18879693

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7079}}^1$

素因数の和:7216

約数の個数: 16

約数和(自身を含む): 28999680

約数和(自身を除く): 10119987

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7079, 21237, 49553, 148659, 899033, 2697099, 6293231, 18879693]

約数ペア:

[(1, 18879693), (3, 6293231), (7, 2697099), (21, 899033), (127, 148659), (381, 49553), (889, 21237), (2667, 7079)]