19962921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 30283776

約数和(自身を除く): 10320855

約数列:

[1, 3, 11, 33, 47, 61, 141, 183, 211, 517, 633, 671, 1551, 2013, 2321, 2867, 6963, 8601, 9917, 12871, 29751, 31537, 38613, 94611, 109087, 141581, 327261, 424743, 604937, 1814811, 6654307, 19962921]

約数ペア:

[(1, 19962921), (3, 6654307), (11, 1814811), (33, 604937), (47, 424743), (61, 327261), (141, 141581), (183, 109087), (211, 94611), (517, 38613), (633, 31537), (671, 29751), (1551, 12871), (2013, 9917), (2321, 8601), (2867, 6963)]