19449640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69463}}^1$

素因数の和:69481

約数の個数: 32

約数和(自身を含む): 50014080

約数和(自身を除く): 30564440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69463, 138926, 277852, 347315, 486241, 555704, 694630, 972482, 1389260, 1944964, 2431205, 2778520, 3889928, 4862410, 9724820, 19449640]

約数ペア:

[(1, 19449640), (2, 9724820), (4, 4862410), (5, 3889928), (7, 2778520), (8, 2431205), (10, 1944964), (14, 1389260), (20, 972482), (28, 694630), (35, 555704), (40, 486241), (56, 347315), (70, 277852), (140, 138926), (280, 69463)]