19691972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{719}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 15870268

約数列:

[1, 2, 4, 41, 82, 164, 167, 334, 668, 719, 1438, 2876, 6847, 13694, 27388, 29479, 58958, 117916, 120073, 240146, 480292, 4922993, 9845986, 19691972]

約数ペア:

[(1, 19691972), (2, 9845986), (4, 4922993), (41, 480292), (82, 240146), (164, 120073), (167, 117916), (334, 58958), (668, 29479), (719, 27388), (1438, 13694), (2876, 6847)]