19920303

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 34944000

約数和(自身を除く): 15023697

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 87, 103, 117, 171, 247, 261, 309, 351, 377, 513, 551, 741, 783, 927, 1131, 1339, 1653, 1957, 2223, 2781, 2987, 3393, 4017, 4959, 5871, 6669, 7163, 8961, 10179, 12051, 14877, 17613, 21489, 25441, 26883, 36153, 38831, 52839, 56753, 64467, 76323, 80649, 116493, 170259, 193401, 228969, 349479, 510777, 686907, 737789, 1048437, 1532331, 2213367, 6640101, 19920303]

約数ペア:

[(1, 19920303), (3, 6640101), (9, 2213367), (13, 1532331), (19, 1048437), (27, 737789), (29, 686907), (39, 510777), (57, 349479), (87, 228969), (103, 193401), (117, 170259), (171, 116493), (247, 80649), (261, 76323), (309, 64467), (351, 56753), (377, 52839), (513, 38831), (551, 36153), (741, 26883), (783, 25441), (927, 21489), (1131, 17613), (1339, 14877), (1653, 12051), (1957, 10179), (2223, 8961), (2781, 7163), (2987, 6669), (3393, 5871), (4017, 4959)]