18673713

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 29520000

約数和(自身を除く): 10846287

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 409, 513, 801, 1227, 1691, 2403, 3681, 5073, 7771, 11043, 15219, 23313, 36401, 45657, 69939, 109203, 209817, 327609, 691619, 982827, 2074857, 6224571, 18673713]

約数ペア:

[(1, 18673713), (3, 6224571), (9, 2074857), (19, 982827), (27, 691619), (57, 327609), (89, 209817), (171, 109203), (267, 69939), (409, 45657), (513, 36401), (801, 23313), (1227, 15219), (1691, 11043), (2403, 7771), (3681, 5073)]