19175120

素因数分解:

$2^4\times 5^1\times {\mathrm{239689}}^1$

素因数の和:239702

約数の個数: 20

約数和(自身を含む): 44582340

約数和(自身を除く): 25407220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239689, 479378, 958756, 1198445, 1917512, 2396890, 3835024, 4793780, 9587560, 19175120]

約数ペア:

[(1, 19175120), (2, 9587560), (4, 4793780), (5, 3835024), (8, 2396890), (10, 1917512), (16, 1198445), (20, 958756), (40, 479378), (80, 239689)]