18882019912

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{811}}^1\times {\mathrm{2297}}^1$

素因数の和:3302

約数の個数: 64

約数和(自身を含む): 40752915840

約数和(自身を除く): 21870895928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 811, 1267, 1448, 1622, 2297, 2534, 3244, 4594, 5068, 5677, 6488, 9188, 10136, 11354, 16079, 18376, 22708, 32158, 45416, 64316, 128632, 146791, 293582, 415757, 587164, 831514, 1027537, 1174328, 1663028, 1862867, 2055074, 2910299, 3326056, 3725734, 4110148, 5820598, 7451468, 8220296, 11641196, 13040069, 14902936, 23282392, 26080138, 52160276, 104320552, 337178927, 674357854, 1348715708, 2360252489, 2697431416, 4720504978, 9441009956, 18882019912]

約数ペア:

[(1, 18882019912), (2, 9441009956), (4, 4720504978), (7, 2697431416), (8, 2360252489), (14, 1348715708), (28, 674357854), (56, 337178927), (181, 104320552), (362, 52160276), (724, 26080138), (811, 23282392), (1267, 14902936), (1448, 13040069), (1622, 11641196), (2297, 8220296), (2534, 7451468), (3244, 5820598), (4594, 4110148), (5068, 3725734), (5677, 3326056), (6488, 2910299), (9188, 2055074), (10136, 1862867), (11354, 1663028), (16079, 1174328), (18376, 1027537), (22708, 831514), (32158, 587164), (45416, 415757), (64316, 293582), (128632, 146791)]