19635590320

素因数分解:

$2^4\times 5^1\times {\mathrm{245444879}}^1$

素因数の和:245444892

約数の個数: 20

約数和(自身を含む): 45652747680

約数和(自身を除く): 26017157360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 245444879, 490889758, 981779516, 1227224395, 1963559032, 2454448790, 3927118064, 4908897580, 9817795160, 19635590320]

約数ペア:

[(1, 19635590320), (2, 9817795160), (4, 4908897580), (5, 3927118064), (8, 2454448790), (10, 1963559032), (16, 1227224395), (20, 981779516), (40, 490889758), (80, 245444879)]