19933480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71191}}^1$

素因数の和:71209

約数の個数: 32

約数和(自身を含む): 51258240

約数和(自身を除く): 31324760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71191, 142382, 284764, 355955, 498337, 569528, 711910, 996674, 1423820, 1993348, 2491685, 2847640, 3986696, 4983370, 9966740, 19933480]

約数ペア:

[(1, 19933480), (2, 9966740), (4, 4983370), (5, 3986696), (7, 2847640), (8, 2491685), (10, 1993348), (14, 1423820), (20, 996674), (28, 711910), (35, 569528), (40, 498337), (56, 355955), (70, 284764), (140, 142382), (280, 71191)]