18857888

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2903}}^1$

素因数の和:2949

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 25050592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 2903, 3248, 5806, 6496, 11612, 20321, 23224, 40642, 46448, 81284, 84187, 92896, 162568, 168374, 325136, 336748, 589309, 650272, 673496, 1178618, 1346992, 2357236, 2693984, 4714472, 9428944, 18857888]

約数ペア:

[(1, 18857888), (2, 9428944), (4, 4714472), (7, 2693984), (8, 2357236), (14, 1346992), (16, 1178618), (28, 673496), (29, 650272), (32, 589309), (56, 336748), (58, 325136), (112, 168374), (116, 162568), (203, 92896), (224, 84187), (232, 81284), (406, 46448), (464, 40642), (812, 23224), (928, 20321), (1624, 11612), (2903, 6496), (3248, 5806)]