19091656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 40550400

約数和(自身を除く): 21458744

約数列:

[1, 2, 4, 8, 19, 23, 38, 43, 46, 76, 86, 92, 127, 152, 172, 184, 254, 344, 437, 508, 817, 874, 989, 1016, 1634, 1748, 1978, 2413, 2921, 3268, 3496, 3956, 4826, 5461, 5842, 6536, 7912, 9652, 10922, 11684, 18791, 19304, 21844, 23368, 37582, 43688, 55499, 75164, 103759, 110998, 125603, 150328, 207518, 221996, 251206, 415036, 443992, 502412, 830072, 1004824, 2386457, 4772914, 9545828, 19091656]

約数ペア:

[(1, 19091656), (2, 9545828), (4, 4772914), (8, 2386457), (19, 1004824), (23, 830072), (38, 502412), (43, 443992), (46, 415036), (76, 251206), (86, 221996), (92, 207518), (127, 150328), (152, 125603), (172, 110998), (184, 103759), (254, 75164), (344, 55499), (437, 43688), (508, 37582), (817, 23368), (874, 21844), (989, 19304), (1016, 18791), (1634, 11684), (1748, 10922), (1978, 9652), (2413, 7912), (2921, 6536), (3268, 5842), (3496, 5461), (3956, 4826)]