18914608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69539}}^1$

素因数の和:69564

約数の個数: 20

約数和(自身を含む): 38803320

約数和(自身を除く): 19888712

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69539, 139078, 278156, 556312, 1112624, 1182163, 2364326, 4728652, 9457304, 18914608]

約数ペア:

[(1, 18914608), (2, 9457304), (4, 4728652), (8, 2364326), (16, 1182163), (17, 1112624), (34, 556312), (68, 278156), (136, 139078), (272, 69539)]