19627866

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25991334

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 79, 86, 107, 129, 158, 214, 237, 258, 321, 387, 474, 642, 711, 774, 963, 1161, 1422, 1926, 2133, 2322, 2889, 3397, 4266, 4601, 5778, 6794, 8453, 9202, 10191, 13803, 16906, 20382, 25359, 27606, 30573, 41409, 50718, 61146, 76077, 82818, 91719, 124227, 152154, 183438, 228231, 248454, 363479, 456462, 726958, 1090437, 2180874, 3271311, 6542622, 9813933, 19627866]

約数ペア:

[(1, 19627866), (2, 9813933), (3, 6542622), (6, 3271311), (9, 2180874), (18, 1090437), (27, 726958), (43, 456462), (54, 363479), (79, 248454), (86, 228231), (107, 183438), (129, 152154), (158, 124227), (214, 91719), (237, 82818), (258, 76077), (321, 61146), (387, 50718), (474, 41409), (642, 30573), (711, 27606), (774, 25359), (963, 20382), (1161, 16906), (1422, 13803), (1926, 10191), (2133, 9202), (2322, 8453), (2889, 6794), (3397, 5778), (4266, 4601)]