18417728

素因数分解:

$2^6\times 7^3\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 56

約数和(自身を含む): 42672000

約数和(自身を除く): 24254272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 839, 1372, 1568, 1678, 2744, 3136, 3356, 5488, 5873, 6712, 10976, 11746, 13424, 21952, 23492, 26848, 41111, 46984, 53696, 82222, 93968, 164444, 187936, 287777, 328888, 375872, 575554, 657776, 1151108, 1315552, 2302216, 2631104, 4604432, 9208864, 18417728]

約数ペア:

[(1, 18417728), (2, 9208864), (4, 4604432), (7, 2631104), (8, 2302216), (14, 1315552), (16, 1151108), (28, 657776), (32, 575554), (49, 375872), (56, 328888), (64, 287777), (98, 187936), (112, 164444), (196, 93968), (224, 82222), (343, 53696), (392, 46984), (448, 41111), (686, 26848), (784, 23492), (839, 21952), (1372, 13424), (1568, 11746), (1678, 10976), (2744, 6712), (3136, 5873), (3356, 5488)]