18804519988

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{163991}}^1$

素因数の和:164367

約数の個数: 24

約数和(自身を含む): 33336293760

約数和(自身を除く): 14531773772

約数列:

[1, 2, 4, 109, 218, 263, 436, 526, 1052, 28667, 57334, 114668, 163991, 327982, 655964, 17875019, 35750038, 43129633, 71500076, 86259266, 172518532, 4701129997, 9402259994, 18804519988]

約数ペア:

[(1, 18804519988), (2, 9402259994), (4, 4701129997), (109, 172518532), (218, 86259266), (263, 71500076), (436, 43129633), (526, 35750038), (1052, 17875019), (28667, 655964), (57334, 327982), (114668, 163991)]