19771844

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 35448000

約数和(自身を除く): 15676156

約数列:

[1, 2, 4, 59, 118, 199, 236, 398, 421, 796, 842, 1684, 11741, 23482, 24839, 46964, 49678, 83779, 99356, 167558, 335116, 4942961, 9885922, 19771844]

約数ペア:

[(1, 19771844), (2, 9885922), (4, 4942961), (59, 335116), (118, 167558), (199, 99356), (236, 83779), (398, 49678), (421, 46964), (796, 24839), (842, 23482), (1684, 11741)]