18661443

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 25426560

約数和(自身を除く): 6765117

約数列:

[1, 3, 67, 201, 227, 409, 681, 1227, 15209, 27403, 45627, 82209, 92843, 278529, 6220481, 18661443]

約数ペア:

[(1, 18661443), (3, 6220481), (67, 278529), (201, 92843), (227, 82209), (409, 45627), (681, 27403), (1227, 15209)]