18171292

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2081}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 33228720

約数和(自身を除く): 15057428

約数列:

[1, 2, 4, 37, 59, 74, 118, 148, 236, 2081, 2183, 4162, 4366, 8324, 8732, 76997, 122779, 153994, 245558, 307988, 491116, 4542823, 9085646, 18171292]

約数ペア:

[(1, 18171292), (2, 9085646), (4, 4542823), (37, 491116), (59, 307988), (74, 245558), (118, 153994), (148, 122779), (236, 76997), (2081, 8732), (2183, 8324), (4162, 4366)]