19866530

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17581}}^1$

素因数の和:17701

約数の個数: 16

約数和(自身を含む): 36078264

約数和(自身を除く): 16211734

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 17581, 35162, 87905, 175810, 1986653, 3973306, 9933265, 19866530]

約数ペア:

[(1, 19866530), (2, 9933265), (5, 3973306), (10, 1986653), (113, 175810), (226, 87905), (565, 35162), (1130, 17581)]