18482217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 27675648

約数和(自身を除く): 9193431

約数列:

[1, 3, 13, 39, 43, 103, 107, 129, 309, 321, 559, 1339, 1391, 1677, 4017, 4173, 4429, 4601, 11021, 13287, 13803, 33063, 57577, 59813, 143273, 172731, 179439, 429819, 473903, 1421709, 6160739, 18482217]

約数ペア:

[(1, 18482217), (3, 6160739), (13, 1421709), (39, 473903), (43, 429819), (103, 179439), (107, 172731), (129, 143273), (309, 59813), (321, 57577), (559, 33063), (1339, 13803), (1391, 13287), (1677, 11021), (4017, 4601), (4173, 4429)]