18590991

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 25651200

約数和(自身を除く): 7060209

約数列:

[1, 3, 47, 79, 141, 237, 1669, 3713, 5007, 11139, 78443, 131851, 235329, 395553, 6196997, 18590991]

約数ペア:

[(1, 18590991), (3, 6196997), (47, 395553), (79, 235329), (141, 131851), (237, 78443), (1669, 11139), (3713, 5007)]