18698679

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 29103360

約数和(自身を除く): 10404681

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2543, 7353, 7629, 22887, 48317, 109349, 144951, 328047, 434853, 984141, 2077631, 6232893, 18698679]

約数ペア:

[(1, 18698679), (3, 6232893), (9, 2077631), (19, 984141), (43, 434853), (57, 328047), (129, 144951), (171, 109349), (387, 48317), (817, 22887), (2451, 7629), (2543, 7353)]