19720544254

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1\times {\mathrm{251621}}^1$

素因数の和:252035

約数の個数: 16

約数和(自身を含む): 29892693600

約数和(自身を除く): 10172149346

約数列:

[1, 2, 149, 263, 298, 526, 39187, 78374, 251621, 503242, 37491529, 66176323, 74983058, 132352646, 9860272127, 19720544254]

約数ペア:

[(1, 19720544254), (2, 9860272127), (149, 132352646), (263, 74983058), (298, 66176323), (526, 37491529), (39187, 503242), (78374, 251621)]