18629908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19472492

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 449, 451, 506, 898, 902, 943, 1012, 1796, 1804, 1886, 3772, 4939, 9878, 10327, 10373, 18409, 19756, 20654, 20746, 36818, 41308, 41492, 73636, 113597, 202499, 227194, 404998, 423407, 454388, 809996, 846814, 1693628, 4657477, 9314954, 18629908]

約数ペア:

[(1, 18629908), (2, 9314954), (4, 4657477), (11, 1693628), (22, 846814), (23, 809996), (41, 454388), (44, 423407), (46, 404998), (82, 227194), (92, 202499), (164, 113597), (253, 73636), (449, 41492), (451, 41308), (506, 36818), (898, 20746), (902, 20654), (943, 19756), (1012, 18409), (1796, 10373), (1804, 10327), (1886, 9878), (3772, 4939)]