17872141

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1619}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 3900659

約数列:

[1, 7, 19, 83, 133, 581, 1577, 1619, 11039, 11333, 30761, 134377, 215327, 940639, 2553163, 17872141]

約数ペア:

[(1, 17872141), (7, 2553163), (19, 940639), (83, 215327), (133, 134377), (581, 30761), (1577, 11333), (1619, 11039)]