201911765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4111}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 284221440

約数和(自身を除く): 82309675

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 517, 893, 1045, 2585, 4111, 4465, 9823, 20555, 45221, 49115, 78109, 193217, 226105, 390545, 859199, 966085, 2125387, 3671123, 4295995, 10626935, 18355615, 40382353, 201911765]

約数ペア:

[(1, 201911765), (5, 40382353), (11, 18355615), (19, 10626935), (47, 4295995), (55, 3671123), (95, 2125387), (209, 966085), (235, 859199), (517, 390545), (893, 226105), (1045, 193217), (2585, 78109), (4111, 49115), (4465, 45221), (9823, 20555)]