19950194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21089}}^1$

素因数の和:21145

約数の個数: 16

約数和(自身を含む): 33406560

約数和(自身を除く): 13456366

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21089, 42178, 231979, 463958, 906827, 1813654, 9975097, 19950194]

約数ペア:

[(1, 19950194), (2, 9975097), (11, 1813654), (22, 906827), (43, 463958), (86, 231979), (473, 42178), (946, 21089)]