19097480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3041}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 43257240

約数和(自身を除く): 24159760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3041, 3140, 6082, 6280, 12164, 15205, 24328, 30410, 60820, 121640, 477437, 954874, 1909748, 2387185, 3819496, 4774370, 9548740, 19097480]

約数ペア:

[(1, 19097480), (2, 9548740), (4, 4774370), (5, 3819496), (8, 2387185), (10, 1909748), (20, 954874), (40, 477437), (157, 121640), (314, 60820), (628, 30410), (785, 24328), (1256, 15205), (1570, 12164), (3041, 6280), (3140, 6082)]