18576272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 44247168

約数和(自身を除く): 25670896

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 176, 184, 208, 253, 286, 299, 353, 368, 506, 572, 598, 706, 1012, 1144, 1196, 1412, 2024, 2288, 2392, 2824, 3289, 3883, 4048, 4589, 4784, 5648, 6578, 7766, 8119, 9178, 13156, 15532, 16238, 18356, 26312, 31064, 32476, 36712, 50479, 52624, 62128, 64952, 73424, 89309, 100958, 105547, 129904, 178618, 201916, 211094, 357236, 403832, 422188, 714472, 807664, 844376, 1161017, 1428944, 1688752, 2322034, 4644068, 9288136, 18576272]

約数ペア:

[(1, 18576272), (2, 9288136), (4, 4644068), (8, 2322034), (11, 1688752), (13, 1428944), (16, 1161017), (22, 844376), (23, 807664), (26, 714472), (44, 422188), (46, 403832), (52, 357236), (88, 211094), (92, 201916), (104, 178618), (143, 129904), (176, 105547), (184, 100958), (208, 89309), (253, 73424), (286, 64952), (299, 62128), (353, 52624), (368, 50479), (506, 36712), (572, 32476), (598, 31064), (706, 26312), (1012, 18356), (1144, 16238), (1196, 15532), (1412, 13156), (2024, 9178), (2288, 8119), (2392, 7766), (2824, 6578), (3289, 5648), (3883, 4784), (4048, 4589)]