19401147

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 30816000

約数和(自身を除く): 11414853

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 513, 531, 641, 1121, 1593, 1923, 3363, 5769, 10089, 12179, 17307, 30267, 36537, 37819, 109611, 113457, 328833, 340371, 718561, 1021113, 2155683, 6467049, 19401147]

約数ペア:

[(1, 19401147), (3, 6467049), (9, 2155683), (19, 1021113), (27, 718561), (57, 340371), (59, 328833), (171, 113457), (177, 109611), (513, 37819), (531, 36537), (641, 30267), (1121, 17307), (1593, 12179), (1923, 10089), (3363, 5769)]