18609981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{827}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 26800704

約数和(自身を除く): 8190723

約数列:

[1, 3, 13, 39, 577, 827, 1731, 2481, 7501, 10751, 22503, 32253, 477179, 1431537, 6203327, 18609981]

約数ペア:

[(1, 18609981), (3, 6203327), (13, 1431537), (39, 477179), (577, 32253), (827, 22503), (1731, 10751), (2481, 7501)]