19949216

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 28313824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 37, 56, 58, 74, 83, 112, 116, 148, 166, 203, 224, 232, 259, 296, 332, 406, 464, 518, 581, 592, 664, 812, 928, 1036, 1073, 1162, 1184, 1328, 1624, 2072, 2146, 2324, 2407, 2656, 3071, 3248, 4144, 4292, 4648, 4814, 6142, 6496, 7511, 8288, 8584, 9296, 9628, 12284, 15022, 16849, 17168, 18592, 19256, 21497, 24568, 30044, 33698, 34336, 38512, 42994, 49136, 60088, 67396, 77024, 85988, 89059, 98272, 120176, 134792, 171976, 178118, 240352, 269584, 343952, 356236, 539168, 623413, 687904, 712472, 1246826, 1424944, 2493652, 2849888, 4987304, 9974608, 19949216]

約数ペア:

[(1, 19949216), (2, 9974608), (4, 4987304), (7, 2849888), (8, 2493652), (14, 1424944), (16, 1246826), (28, 712472), (29, 687904), (32, 623413), (37, 539168), (56, 356236), (58, 343952), (74, 269584), (83, 240352), (112, 178118), (116, 171976), (148, 134792), (166, 120176), (203, 98272), (224, 89059), (232, 85988), (259, 77024), (296, 67396), (332, 60088), (406, 49136), (464, 42994), (518, 38512), (581, 34336), (592, 33698), (664, 30044), (812, 24568), (928, 21497), (1036, 19256), (1073, 18592), (1162, 17168), (1184, 16849), (1328, 15022), (1624, 12284), (2072, 9628), (2146, 9296), (2324, 8584), (2407, 8288), (2656, 7511), (3071, 6496), (3248, 6142), (4144, 4814), (4292, 4648)]