18217472

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 160

約数和(自身を含む): 49496832

約数和(自身を除く): 31279360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 23, 26, 28, 32, 34, 46, 52, 56, 64, 68, 91, 92, 104, 112, 119, 128, 136, 161, 182, 184, 208, 221, 224, 238, 256, 272, 299, 322, 364, 368, 391, 416, 442, 448, 476, 512, 544, 598, 644, 728, 736, 782, 832, 884, 896, 952, 1088, 1196, 1288, 1456, 1472, 1547, 1564, 1664, 1768, 1792, 1904, 2093, 2176, 2392, 2576, 2737, 2912, 2944, 3094, 3128, 3328, 3536, 3584, 3808, 4186, 4352, 4784, 5083, 5152, 5474, 5824, 5888, 6188, 6256, 6656, 7072, 7616, 8372, 8704, 9568, 10166, 10304, 10948, 11648, 11776, 12376, 12512, 14144, 15232, 16744, 19136, 20332, 20608, 21896, 23296, 24752, 25024, 28288, 30464, 33488, 35581, 38272, 40664, 41216, 43792, 46592, 49504, 50048, 56576, 60928, 66976, 71162, 76544, 81328, 82432, 87584, 99008, 100096, 113152, 133952, 142324, 153088, 162656, 175168, 198016, 200192, 267904, 284648, 325312, 350336, 396032, 535808, 569296, 650624, 700672, 792064, 1071616, 1138592, 1301248, 1401344, 2277184, 2602496, 4554368, 9108736, 18217472]

約数ペア:

[(1, 18217472), (2, 9108736), (4, 4554368), (7, 2602496), (8, 2277184), (13, 1401344), (14, 1301248), (16, 1138592), (17, 1071616), (23, 792064), (26, 700672), (28, 650624), (32, 569296), (34, 535808), (46, 396032), (52, 350336), (56, 325312), (64, 284648), (68, 267904), (91, 200192), (92, 198016), (104, 175168), (112, 162656), (119, 153088), (128, 142324), (136, 133952), (161, 113152), (182, 100096), (184, 99008), (208, 87584), (221, 82432), (224, 81328), (238, 76544), (256, 71162), (272, 66976), (299, 60928), (322, 56576), (364, 50048), (368, 49504), (391, 46592), (416, 43792), (442, 41216), (448, 40664), (476, 38272), (512, 35581), (544, 33488), (598, 30464), (644, 28288), (728, 25024), (736, 24752), (782, 23296), (832, 21896), (884, 20608), (896, 20332), (952, 19136), (1088, 16744), (1196, 15232), (1288, 14144), (1456, 12512), (1472, 12376), (1547, 11776), (1564, 11648), (1664, 10948), (1768, 10304), (1792, 10166), (1904, 9568), (2093, 8704), (2176, 8372), (2392, 7616), (2576, 7072), (2737, 6656), (2912, 6256), (2944, 6188), (3094, 5888), (3128, 5824), (3328, 5474), (3536, 5152), (3584, 5083), (3808, 4784), (4186, 4352)]