18500319

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 29178240

約数和(自身を除く): 10677921

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4007, 4617, 12021, 36063, 76133, 108189, 228399, 324567, 685197, 973701, 2055591, 6166773, 18500319]

約数ペア:

[(1, 18500319), (3, 6166773), (9, 2055591), (19, 973701), (27, 685197), (57, 324567), (81, 228399), (171, 108189), (243, 76133), (513, 36063), (1539, 12021), (4007, 4617)]