18207728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14779}}^1$

素因数の和:14805

約数の個数: 40

約数和(自身を含む): 43985280

約数和(自身を除く): 25777552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 14779, 29558, 59116, 103453, 118232, 162569, 206906, 236464, 325138, 413812, 650276, 827624, 1137983, 1300552, 1655248, 2275966, 2601104, 4551932, 9103864, 18207728]

約数ペア:

[(1, 18207728), (2, 9103864), (4, 4551932), (7, 2601104), (8, 2275966), (11, 1655248), (14, 1300552), (16, 1137983), (22, 827624), (28, 650276), (44, 413812), (56, 325138), (77, 236464), (88, 206906), (112, 162569), (154, 118232), (176, 103453), (308, 59116), (616, 29558), (1232, 14779)]