19227908

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 40776960

約数和(自身を除く): 21549052

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 73, 92, 146, 161, 292, 322, 409, 511, 644, 818, 1022, 1636, 1679, 2044, 2863, 3358, 5726, 6716, 9407, 11452, 11753, 18814, 23506, 29857, 37628, 47012, 59714, 65849, 119428, 131698, 208999, 263396, 417998, 686711, 835996, 1373422, 2746844, 4806977, 9613954, 19227908]

約数ペア:

[(1, 19227908), (2, 9613954), (4, 4806977), (7, 2746844), (14, 1373422), (23, 835996), (28, 686711), (46, 417998), (73, 263396), (92, 208999), (146, 131698), (161, 119428), (292, 65849), (322, 59714), (409, 47012), (511, 37628), (644, 29857), (818, 23506), (1022, 18814), (1636, 11753), (1679, 11452), (2044, 9407), (2863, 6716), (3358, 5726)]