19476974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{6971}}^1$

素因数の和:7111

約数の個数: 16

約数和(自身を含む): 32126976

約数和(自身を除く): 12650002

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 6971, 13942, 76681, 153362, 885317, 1770634, 9738487, 19476974]

約数ペア:

[(1, 19476974), (2, 9738487), (11, 1770634), (22, 885317), (127, 153362), (254, 76681), (1397, 13942), (2794, 6971)]