19944672

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 61535376

約数和(自身を除く): 41590704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 66, 68, 88, 96, 101, 102, 121, 132, 136, 176, 187, 202, 204, 242, 264, 272, 303, 352, 363, 374, 404, 408, 484, 528, 544, 561, 606, 726, 748, 808, 816, 968, 1056, 1111, 1122, 1212, 1452, 1496, 1616, 1632, 1717, 1936, 2057, 2222, 2244, 2424, 2904, 2992, 3232, 3333, 3434, 3872, 4114, 4444, 4488, 4848, 5151, 5808, 5984, 6171, 6666, 6868, 8228, 8888, 8976, 9696, 10302, 11616, 12221, 12342, 13332, 13736, 16456, 17776, 17952, 18887, 20604, 24442, 24684, 26664, 27472, 32912, 35552, 36663, 37774, 41208, 48884, 49368, 53328, 54944, 56661, 65824, 73326, 75548, 82416, 97768, 98736, 106656, 113322, 146652, 151096, 164832, 195536, 197472, 207757, 226644, 293304, 302192, 391072, 415514, 453288, 586608, 604384, 623271, 831028, 906576, 1173216, 1246542, 1662056, 1813152, 2493084, 3324112, 4986168, 6648224, 9972336, 19944672]

約数ペア:

[(1, 19944672), (2, 9972336), (3, 6648224), (4, 4986168), (6, 3324112), (8, 2493084), (11, 1813152), (12, 1662056), (16, 1246542), (17, 1173216), (22, 906576), (24, 831028), (32, 623271), (33, 604384), (34, 586608), (44, 453288), (48, 415514), (51, 391072), (66, 302192), (68, 293304), (88, 226644), (96, 207757), (101, 197472), (102, 195536), (121, 164832), (132, 151096), (136, 146652), (176, 113322), (187, 106656), (202, 98736), (204, 97768), (242, 82416), (264, 75548), (272, 73326), (303, 65824), (352, 56661), (363, 54944), (374, 53328), (404, 49368), (408, 48884), (484, 41208), (528, 37774), (544, 36663), (561, 35552), (606, 32912), (726, 27472), (748, 26664), (808, 24684), (816, 24442), (968, 20604), (1056, 18887), (1111, 17952), (1122, 17776), (1212, 16456), (1452, 13736), (1496, 13332), (1616, 12342), (1632, 12221), (1717, 11616), (1936, 10302), (2057, 9696), (2222, 8976), (2244, 8888), (2424, 8228), (2904, 6868), (2992, 6666), (3232, 6171), (3333, 5984), (3434, 5808), (3872, 5151), (4114, 4848), (4444, 4488)]