18378496

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 40176864

約数和(自身を除く): 21798368

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 103, 128, 136, 164, 206, 256, 272, 328, 412, 544, 656, 697, 824, 1088, 1312, 1394, 1648, 1751, 2176, 2624, 2788, 3296, 3502, 4223, 4352, 5248, 5576, 6592, 7004, 8446, 10496, 11152, 13184, 14008, 16892, 22304, 26368, 28016, 33784, 44608, 56032, 67568, 71791, 89216, 112064, 135136, 143582, 178432, 224128, 270272, 287164, 448256, 540544, 574328, 1081088, 1148656, 2297312, 4594624, 9189248, 18378496]

約数ペア:

[(1, 18378496), (2, 9189248), (4, 4594624), (8, 2297312), (16, 1148656), (17, 1081088), (32, 574328), (34, 540544), (41, 448256), (64, 287164), (68, 270272), (82, 224128), (103, 178432), (128, 143582), (136, 135136), (164, 112064), (206, 89216), (256, 71791), (272, 67568), (328, 56032), (412, 44608), (544, 33784), (656, 28016), (697, 26368), (824, 22304), (1088, 16892), (1312, 14008), (1394, 13184), (1648, 11152), (1751, 10496), (2176, 8446), (2624, 7004), (2788, 6592), (3296, 5576), (3502, 5248), (4223, 4352)]