1987381908

素因数分解:

$2^2\times 3^2\times {\mathrm{55205053}}^1$

素因数の和:55205063

約数の個数: 18

約数和(自身を含む): 5023659914

約数和(自身を除く): 3036278006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 55205053, 110410106, 165615159, 220820212, 331230318, 496845477, 662460636, 993690954, 1987381908]

約数ペア:

[(1, 1987381908), (2, 993690954), (3, 662460636), (4, 496845477), (6, 331230318), (9, 220820212), (12, 165615159), (18, 110410106), (36, 55205053)]