18137288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2389}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 37140600

約数和(自身を除く): 19003312

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2389, 3796, 4778, 7592, 9556, 19112, 31057, 62114, 124228, 174397, 248456, 348794, 697588, 1395176, 2267161, 4534322, 9068644, 18137288]

約数ペア:

[(1, 18137288), (2, 9068644), (4, 4534322), (8, 2267161), (13, 1395176), (26, 697588), (52, 348794), (73, 248456), (104, 174397), (146, 124228), (292, 62114), (584, 31057), (949, 19112), (1898, 9556), (2389, 7592), (3796, 4778)]