18759897

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 32928000

約数和(自身を除く): 14168103

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 87, 97, 117, 171, 247, 261, 291, 351, 377, 513, 551, 741, 783, 873, 1131, 1261, 1653, 1843, 2223, 2619, 2813, 3393, 3783, 4959, 5529, 6669, 7163, 8439, 10179, 11349, 14877, 16587, 21489, 23959, 25317, 34047, 36569, 49761, 53447, 64467, 71877, 75951, 109707, 160341, 193401, 215631, 329121, 481023, 646893, 694811, 987363, 1443069, 2084433, 6253299, 18759897]

約数ペア:

[(1, 18759897), (3, 6253299), (9, 2084433), (13, 1443069), (19, 987363), (27, 694811), (29, 646893), (39, 481023), (57, 329121), (87, 215631), (97, 193401), (117, 160341), (171, 109707), (247, 75951), (261, 71877), (291, 64467), (351, 53447), (377, 49761), (513, 36569), (551, 34047), (741, 25317), (783, 23959), (873, 21489), (1131, 16587), (1261, 14877), (1653, 11349), (1843, 10179), (2223, 8439), (2619, 7163), (2813, 6669), (3393, 5529), (3783, 4959)]