19900749

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 29604736

約数和(自身を除く): 9703987

約数列:

[1, 3, 11, 33, 73, 121, 219, 363, 751, 803, 2253, 2409, 8261, 8833, 24783, 26499, 54823, 90871, 164469, 272613, 603053, 1809159, 6633583, 19900749]

約数ペア:

[(1, 19900749), (3, 6633583), (11, 1809159), (33, 603053), (73, 272613), (121, 164469), (219, 90871), (363, 54823), (751, 26499), (803, 24783), (2253, 8833), (2409, 8261)]