19998072

素因数分解:

$2^3\times 3^2\times {\mathrm{277751}}^1$

素因数の和:277763

約数の個数: 24

約数和(自身を含む): 54161640

約数和(自身を除く): 34163568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277751, 555502, 833253, 1111004, 1666506, 2222008, 2499759, 3333012, 4999518, 6666024, 9999036, 19998072]

約数ペア:

[(1, 19998072), (2, 9999036), (3, 6666024), (4, 4999518), (6, 3333012), (8, 2499759), (9, 2222008), (12, 1666506), (18, 1111004), (24, 833253), (36, 555502), (72, 277751)]