19715588

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 15846652

約数列:

[1, 2, 4, 41, 82, 164, 239, 478, 503, 956, 1006, 2012, 9799, 19598, 20623, 39196, 41246, 82492, 120217, 240434, 480868, 4928897, 9857794, 19715588]

約数ペア:

[(1, 19715588), (2, 9857794), (4, 4928897), (41, 480868), (82, 240434), (164, 120217), (239, 82492), (478, 41246), (503, 39196), (956, 20623), (1006, 19598), (2012, 9799)]