18537429

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8834091

約数列:

[1, 3, 17, 43, 51, 79, 107, 129, 237, 321, 731, 1343, 1819, 2193, 3397, 4029, 4601, 5457, 8453, 10191, 13803, 25359, 57749, 78217, 143701, 173247, 234651, 363479, 431103, 1090437, 6179143, 18537429]

約数ペア:

[(1, 18537429), (3, 6179143), (17, 1090437), (43, 431103), (51, 363479), (79, 234651), (107, 173247), (129, 143701), (237, 78217), (321, 57749), (731, 25359), (1343, 13803), (1819, 10191), (2193, 8453), (3397, 5457), (4029, 4601)]