19018287

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 10530513

約数列:

[1, 3, 9, 27, 29, 87, 107, 227, 261, 321, 681, 783, 963, 2043, 2889, 3103, 6129, 6583, 9309, 19749, 24289, 27927, 59247, 72867, 83781, 177741, 218601, 655803, 704381, 2113143, 6339429, 19018287]

約数ペア:

[(1, 19018287), (3, 6339429), (9, 2113143), (27, 704381), (29, 655803), (87, 218601), (107, 177741), (227, 83781), (261, 72867), (321, 59247), (681, 27927), (783, 24289), (963, 19749), (2043, 9309), (2889, 6583), (3103, 6129)]