19830320

素因数分解:

$2^4\times 5^1\times {\mathrm{247879}}^1$

素因数の和:247892

約数の個数: 20

約数和(自身を含む): 46105680

約数和(自身を除く): 26275360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 247879, 495758, 991516, 1239395, 1983032, 2478790, 3966064, 4957580, 9915160, 19830320]

約数ペア:

[(1, 19830320), (2, 9915160), (4, 4957580), (5, 3966064), (8, 2478790), (10, 1983032), (16, 1239395), (20, 991516), (40, 495758), (80, 247879)]