19239640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68713}}^1$

素因数の和:68731

約数の個数: 32

約数和(自身を含む): 49474080

約数和(自身を除く): 30234440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68713, 137426, 274852, 343565, 480991, 549704, 687130, 961982, 1374260, 1923964, 2404955, 2748520, 3847928, 4809910, 9619820, 19239640]

約数ペア:

[(1, 19239640), (2, 9619820), (4, 4809910), (5, 3847928), (7, 2748520), (8, 2404955), (10, 1923964), (14, 1374260), (20, 961982), (28, 687130), (35, 549704), (40, 480991), (56, 343565), (70, 274852), (140, 137426), (280, 68713)]