18612711

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 29112720

約数和(自身を除く): 10500009

約数列:

[1, 3, 9, 13, 39, 117, 257, 619, 771, 1857, 2313, 3341, 5571, 8047, 10023, 24141, 30069, 72423, 159083, 477249, 1431747, 2068079, 6204237, 18612711]

約数ペア:

[(1, 18612711), (3, 6204237), (9, 2068079), (13, 1431747), (39, 477249), (117, 159083), (257, 72423), (619, 30069), (771, 24141), (1857, 10023), (2313, 8047), (3341, 5571)]