18140037

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 25702272

約数和(自身を除く): 7562235

約数列:

[1, 3, 17, 51, 401, 887, 1203, 2661, 6817, 15079, 20451, 45237, 355687, 1067061, 6046679, 18140037]

約数ペア:

[(1, 18140037), (3, 6046679), (17, 1067061), (51, 355687), (401, 45237), (887, 20451), (1203, 15079), (2661, 6817)]