18948608

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 45961344

約数和(自身を除く): 27012736

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 311, 448, 476, 512, 544, 622, 896, 952, 1088, 1244, 1792, 1904, 2176, 2177, 2488, 3584, 3808, 4352, 4354, 4976, 5287, 7616, 8704, 8708, 9952, 10574, 15232, 17416, 19904, 21148, 30464, 34832, 37009, 39808, 42296, 60928, 69664, 74018, 79616, 84592, 139328, 148036, 159232, 169184, 278656, 296072, 338368, 557312, 592144, 676736, 1114624, 1184288, 1353472, 2368576, 2706944, 4737152, 9474304, 18948608]

約数ペア:

[(1, 18948608), (2, 9474304), (4, 4737152), (7, 2706944), (8, 2368576), (14, 1353472), (16, 1184288), (17, 1114624), (28, 676736), (32, 592144), (34, 557312), (56, 338368), (64, 296072), (68, 278656), (112, 169184), (119, 159232), (128, 148036), (136, 139328), (224, 84592), (238, 79616), (256, 74018), (272, 69664), (311, 60928), (448, 42296), (476, 39808), (512, 37009), (544, 34832), (622, 30464), (896, 21148), (952, 19904), (1088, 17416), (1244, 15232), (1792, 10574), (1904, 9952), (2176, 8708), (2177, 8704), (2488, 7616), (3584, 5287), (3808, 4976), (4352, 4354)]