18761379

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3617}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 13655901

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3617, 5187, 10851, 25319, 47021, 68723, 75957, 141063, 206169, 329147, 481061, 893399, 987441, 1443183, 2680197, 6253793, 18761379]

約数ペア:

[(1, 18761379), (3, 6253793), (7, 2680197), (13, 1443183), (19, 987441), (21, 893399), (39, 481061), (57, 329147), (91, 206169), (133, 141063), (247, 75957), (273, 68723), (399, 47021), (741, 25319), (1729, 10851), (3617, 5187)]