19758884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 35651616

約数和(自身を除く): 15892732

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 571, 844, 1142, 2284, 8651, 17302, 23411, 34604, 46822, 93644, 120481, 240962, 481924, 4939721, 9879442, 19758884]

約数ペア:

[(1, 19758884), (2, 9879442), (4, 4939721), (41, 481924), (82, 240962), (164, 120481), (211, 93644), (422, 46822), (571, 34604), (844, 23411), (1142, 17302), (2284, 8651)]