19901208

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2297}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 52532280

約数和(自身を除く): 32631072

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 361, 456, 722, 1083, 1444, 2166, 2297, 2888, 4332, 4594, 6891, 8664, 9188, 13782, 18376, 27564, 43643, 55128, 87286, 130929, 174572, 261858, 349144, 523716, 829217, 1047432, 1658434, 2487651, 3316868, 4975302, 6633736, 9950604, 19901208]

約数ペア:

[(1, 19901208), (2, 9950604), (3, 6633736), (4, 4975302), (6, 3316868), (8, 2487651), (12, 1658434), (19, 1047432), (24, 829217), (38, 523716), (57, 349144), (76, 261858), (114, 174572), (152, 130929), (228, 87286), (361, 55128), (456, 43643), (722, 27564), (1083, 18376), (1444, 13782), (2166, 9188), (2297, 8664), (2888, 6891), (4332, 4594)]