18924920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67589}}^1$

素因数の和:67607

約数の個数: 32

約数和(自身を含む): 48664800

約数和(自身を除く): 29739880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67589, 135178, 270356, 337945, 473123, 540712, 675890, 946246, 1351780, 1892492, 2365615, 2703560, 3784984, 4731230, 9462460, 18924920]

約数ペア:

[(1, 18924920), (2, 9462460), (4, 4731230), (5, 3784984), (7, 2703560), (8, 2365615), (10, 1892492), (14, 1351780), (20, 946246), (28, 675890), (35, 540712), (40, 473123), (56, 337945), (70, 270356), (140, 135178), (280, 67589)]