18610864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 38068992

約数和(自身を除く): 19458128

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 103, 184, 206, 368, 412, 491, 824, 982, 1648, 1964, 2369, 3928, 4738, 7856, 9476, 11293, 18952, 22586, 37904, 45172, 50573, 90344, 101146, 180688, 202292, 404584, 809168, 1163179, 2326358, 4652716, 9305432, 18610864]

約数ペア:

[(1, 18610864), (2, 9305432), (4, 4652716), (8, 2326358), (16, 1163179), (23, 809168), (46, 404584), (92, 202292), (103, 180688), (184, 101146), (206, 90344), (368, 50573), (412, 45172), (491, 37904), (824, 22586), (982, 18952), (1648, 11293), (1964, 9476), (2369, 7856), (3928, 4738)]