18021380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69313}}^1$

素因数の和:69335

約数の個数: 24

約数和(自身を含む): 40756632

約数和(自身を除く): 22735252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69313, 138626, 277252, 346565, 693130, 901069, 1386260, 1802138, 3604276, 4505345, 9010690, 18021380]

約数ペア:

[(1, 18021380), (2, 9010690), (4, 4505345), (5, 3604276), (10, 1802138), (13, 1386260), (20, 901069), (26, 693130), (52, 346565), (65, 277252), (130, 138626), (260, 69313)]