18984966813

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13266923}}^1$

素因数の和:13266985

約数の個数: 16

約数和(自身を含む): 28656555840

約数和(自身を除く): 9671589027

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13266923, 39800769, 119402307, 358206921, 703146919, 2109440757, 6328322271, 18984966813]

約数ペア:

[(1, 18984966813), (3, 6328322271), (9, 2109440757), (27, 703146919), (53, 358206921), (159, 119402307), (477, 39800769), (1431, 13266923)]