18490521

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4919}}^1$

素因数の和:5108

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 9848679

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 4919, 14757, 34433, 103299, 880501, 2641503, 6163507, 18490521]

約数ペア:

[(1, 18490521), (3, 6163507), (7, 2641503), (21, 880501), (179, 103299), (537, 34433), (1253, 14757), (3759, 4919)]