18293517

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 28978560

約数和(自身を除く): 10685043

約数列:

[1, 3, 9, 11, 33, 99, 257, 719, 771, 2157, 2313, 2827, 6471, 7909, 8481, 23727, 25443, 71181, 184783, 554349, 1663047, 2032613, 6097839, 18293517]

約数ペア:

[(1, 18293517), (3, 6097839), (9, 2032613), (11, 1663047), (33, 554349), (99, 184783), (257, 71181), (719, 25443), (771, 23727), (2157, 8481), (2313, 7909), (2827, 6471)]