18133808

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26863312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 359, 451, 574, 616, 656, 718, 902, 1148, 1232, 1436, 1804, 2296, 2513, 2872, 3157, 3608, 3949, 4592, 5026, 5744, 6314, 7216, 7898, 10052, 12628, 14719, 15796, 20104, 25256, 27643, 29438, 31592, 40208, 50512, 55286, 58876, 63184, 103033, 110572, 117752, 161909, 206066, 221144, 235504, 323818, 412132, 442288, 647636, 824264, 1133363, 1295272, 1648528, 2266726, 2590544, 4533452, 9066904, 18133808]

約数ペア:

[(1, 18133808), (2, 9066904), (4, 4533452), (7, 2590544), (8, 2266726), (11, 1648528), (14, 1295272), (16, 1133363), (22, 824264), (28, 647636), (41, 442288), (44, 412132), (56, 323818), (77, 235504), (82, 221144), (88, 206066), (112, 161909), (154, 117752), (164, 110572), (176, 103033), (287, 63184), (308, 58876), (328, 55286), (359, 50512), (451, 40208), (574, 31592), (616, 29438), (656, 27643), (718, 25256), (902, 20104), (1148, 15796), (1232, 14719), (1436, 12628), (1804, 10052), (2296, 7898), (2513, 7216), (2872, 6314), (3157, 5744), (3608, 5026), (3949, 4592)]