19984384

素因数分解:

$2^{12}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 104

約数和(自身を含む): 49539168

約数和(自身を除く): 29554784

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 41, 56, 64, 68, 82, 112, 119, 128, 136, 164, 224, 238, 256, 272, 287, 328, 448, 476, 512, 544, 574, 656, 697, 896, 952, 1024, 1088, 1148, 1312, 1394, 1792, 1904, 2048, 2176, 2296, 2624, 2788, 3584, 3808, 4096, 4352, 4592, 4879, 5248, 5576, 7168, 7616, 8704, 9184, 9758, 10496, 11152, 14336, 15232, 17408, 18368, 19516, 20992, 22304, 28672, 30464, 34816, 36736, 39032, 41984, 44608, 60928, 69632, 73472, 78064, 83968, 89216, 121856, 146944, 156128, 167936, 178432, 243712, 293888, 312256, 356864, 487424, 587776, 624512, 713728, 1175552, 1249024, 1427456, 2498048, 2854912, 4996096, 9992192, 19984384]

約数ペア:

[(1, 19984384), (2, 9992192), (4, 4996096), (7, 2854912), (8, 2498048), (14, 1427456), (16, 1249024), (17, 1175552), (28, 713728), (32, 624512), (34, 587776), (41, 487424), (56, 356864), (64, 312256), (68, 293888), (82, 243712), (112, 178432), (119, 167936), (128, 156128), (136, 146944), (164, 121856), (224, 89216), (238, 83968), (256, 78064), (272, 73472), (287, 69632), (328, 60928), (448, 44608), (476, 41984), (512, 39032), (544, 36736), (574, 34816), (656, 30464), (697, 28672), (896, 22304), (952, 20992), (1024, 19516), (1088, 18368), (1148, 17408), (1312, 15232), (1394, 14336), (1792, 11152), (1904, 10496), (2048, 9758), (2176, 9184), (2296, 8704), (2624, 7616), (2788, 7168), (3584, 5576), (3808, 5248), (4096, 4879), (4352, 4592)]