18356913

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 27903720

約数和(自身を除く): 9546807

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1153, 1769, 3459, 5307, 10377, 15921, 33437, 70333, 100311, 210999, 300933, 632997, 2039657, 6118971, 18356913]

約数ペア:

[(1, 18356913), (3, 6118971), (9, 2039657), (29, 632997), (61, 300933), (87, 210999), (183, 100311), (261, 70333), (549, 33437), (1153, 15921), (1769, 10377), (3459, 5307)]