18884487

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{809}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 7242873

約数列:

[1, 3, 31, 93, 251, 753, 809, 2427, 7781, 23343, 25079, 75237, 203059, 609177, 6294829, 18884487]

約数ペア:

[(1, 18884487), (3, 6294829), (31, 609177), (93, 203059), (251, 75237), (753, 25079), (809, 23343), (2427, 7781)]