18065940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1087}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 50813952

約数和(自身を除く): 32748012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1087, 1108, 1385, 1662, 2174, 2770, 3261, 3324, 4155, 4348, 5435, 5540, 6522, 8310, 10870, 13044, 16305, 16620, 21740, 32610, 65220, 301099, 602198, 903297, 1204396, 1505495, 1806594, 3010990, 3613188, 4516485, 6021980, 9032970, 18065940]

約数ペア:

[(1, 18065940), (2, 9032970), (3, 6021980), (4, 4516485), (5, 3613188), (6, 3010990), (10, 1806594), (12, 1505495), (15, 1204396), (20, 903297), (30, 602198), (60, 301099), (277, 65220), (554, 32610), (831, 21740), (1087, 16620), (1108, 16305), (1385, 13044), (1662, 10870), (2174, 8310), (2770, 6522), (3261, 5540), (3324, 5435), (4155, 4348)]