18556317

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 12086883

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 1823, 3393, 5469, 10179, 16407, 23699, 49221, 52867, 71097, 158601, 213291, 475803, 639873, 687271, 1427409, 2061813, 6185439, 18556317]

約数ペア:

[(1, 18556317), (3, 6185439), (9, 2061813), (13, 1427409), (27, 687271), (29, 639873), (39, 475803), (87, 213291), (117, 158601), (261, 71097), (351, 52867), (377, 49221), (783, 23699), (1131, 16407), (1823, 10179), (3393, 5469)]