19110320

素因数分解:

$2^4\times 5^1\times {\mathrm{238879}}^1$

素因数の和:238892

約数の個数: 20

約数和(自身を含む): 44431680

約数和(自身を除く): 25321360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238879, 477758, 955516, 1194395, 1911032, 2388790, 3822064, 4777580, 9555160, 19110320]

約数ペア:

[(1, 19110320), (2, 9555160), (4, 4777580), (5, 3822064), (8, 2388790), (10, 1911032), (16, 1194395), (20, 955516), (40, 477758), (80, 238879)]