18043678

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1323

約数の個数: 16

約数和(自身を含む): 27743760

約数和(自身を除く): 9700082

約数列:

[1, 2, 61, 122, 131, 262, 1129, 2258, 7991, 15982, 68869, 137738, 147899, 295798, 9021839, 18043678]

約数ペア:

[(1, 18043678), (2, 9021839), (61, 295798), (122, 147899), (131, 137738), (262, 68869), (1129, 15982), (2258, 7991)]