18063640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64513}}^1$

素因数の和:64531

約数の個数: 32

約数和(自身を含む): 46450080

約数和(自身を除く): 28386440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64513, 129026, 258052, 322565, 451591, 516104, 645130, 903182, 1290260, 1806364, 2257955, 2580520, 3612728, 4515910, 9031820, 18063640]

約数ペア:

[(1, 18063640), (2, 9031820), (4, 4515910), (5, 3612728), (7, 2580520), (8, 2257955), (10, 1806364), (14, 1290260), (20, 903182), (28, 645130), (35, 516104), (40, 451591), (56, 322565), (70, 258052), (140, 129026), (280, 64513)]