18317992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 25020248

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 131, 154, 227, 262, 308, 454, 524, 616, 908, 917, 1048, 1441, 1589, 1816, 1834, 2497, 2882, 3178, 3668, 4994, 5764, 6356, 7336, 9988, 10087, 11528, 12712, 17479, 19976, 20174, 29737, 34958, 40348, 59474, 69916, 80696, 118948, 139832, 208159, 237896, 327107, 416318, 654214, 832636, 1308428, 1665272, 2289749, 2616856, 4579498, 9158996, 18317992]

約数ペア:

[(1, 18317992), (2, 9158996), (4, 4579498), (7, 2616856), (8, 2289749), (11, 1665272), (14, 1308428), (22, 832636), (28, 654214), (44, 416318), (56, 327107), (77, 237896), (88, 208159), (131, 139832), (154, 118948), (227, 80696), (262, 69916), (308, 59474), (454, 40348), (524, 34958), (616, 29737), (908, 20174), (917, 19976), (1048, 17479), (1441, 12712), (1589, 11528), (1816, 10087), (1834, 9988), (2497, 7336), (2882, 6356), (3178, 5764), (3668, 4994)]