19126448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1125

約数の個数: 40

約数和(自身を含む): 40838160

約数和(自身を除く): 21711712

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 997, 1199, 1744, 1994, 2398, 3988, 4796, 7976, 9592, 10967, 15952, 19184, 21934, 43868, 87736, 108673, 175472, 217346, 434692, 869384, 1195403, 1738768, 2390806, 4781612, 9563224, 19126448]

約数ペア:

[(1, 19126448), (2, 9563224), (4, 4781612), (8, 2390806), (11, 1738768), (16, 1195403), (22, 869384), (44, 434692), (88, 217346), (109, 175472), (176, 108673), (218, 87736), (436, 43868), (872, 21934), (997, 19184), (1199, 15952), (1744, 10967), (1994, 9592), (2398, 7976), (3988, 4796)]