19983975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{24223}}^1$

素因数の和:24247

約数の個数: 24

約数和(自身を含む): 36045312

約数和(自身を除く): 16061337

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 24223, 72669, 121115, 266453, 363345, 605575, 799359, 1332265, 1816725, 3996795, 6661325, 19983975]

約数ペア:

[(1, 19983975), (3, 6661325), (5, 3996795), (11, 1816725), (15, 1332265), (25, 799359), (33, 605575), (55, 363345), (75, 266453), (165, 121115), (275, 72669), (825, 24223)]