19812164

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{503}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 35703360

約数和(自身を除く): 15891196

約数列:

[1, 2, 4, 43, 86, 172, 229, 458, 503, 916, 1006, 2012, 9847, 19694, 21629, 39388, 43258, 86516, 115187, 230374, 460748, 4953041, 9906082, 19812164]

約数ペア:

[(1, 19812164), (2, 9906082), (4, 4953041), (43, 460748), (86, 230374), (172, 115187), (229, 86516), (458, 43258), (503, 39388), (916, 21629), (1006, 19694), (2012, 9847)]