19918822

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 37488384

約数和(自身を除く): 17569562

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 613, 1226, 1477, 2321, 2954, 4291, 4642, 6743, 8582, 13486, 16247, 32494, 47201, 94402, 129343, 258686, 905401, 1422773, 1810802, 2845546, 9959411, 19918822]

約数ペア:

[(1, 19918822), (2, 9959411), (7, 2845546), (11, 1810802), (14, 1422773), (22, 905401), (77, 258686), (154, 129343), (211, 94402), (422, 47201), (613, 32494), (1226, 16247), (1477, 13486), (2321, 8582), (2954, 6743), (4291, 4642)]