11918871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 18520320

約数和(自身を除く): 6601449

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 1483, 2679, 4449, 8037, 13347, 28177, 69701, 84531, 209103, 253593, 627309, 1324319, 3972957, 11918871]

約数ペア:

[(1, 11918871), (3, 3972957), (9, 1324319), (19, 627309), (47, 253593), (57, 209103), (141, 84531), (171, 69701), (423, 28177), (893, 13347), (1483, 8037), (2679, 4449)]