19923647320

素因数分解:

$2^3\times 5^1\times {\mathrm{498091183}}^1$

素因数の和:498091194

約数の個数: 16

約数和(自身を含む): 44828206560

約数和(自身を除く): 24904559240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 498091183, 996182366, 1992364732, 2490455915, 3984729464, 4980911830, 9961823660, 19923647320]

約数ペア:

[(1, 19923647320), (2, 9961823660), (4, 4980911830), (5, 3984729464), (8, 2490455915), (10, 1992364732), (20, 996182366), (40, 498091183)]