18423808

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:212

約数の個数: 56

約数和(自身を含む): 39908988

約数和(自身を除く): 21485180

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 173, 208, 256, 346, 416, 512, 692, 832, 1024, 1384, 1664, 2048, 2249, 2768, 3328, 4096, 4498, 5536, 6656, 8192, 8996, 11072, 13312, 17992, 22144, 26624, 35984, 44288, 53248, 71968, 88576, 106496, 143936, 177152, 287872, 354304, 575744, 708608, 1151488, 1417216, 2302976, 4605952, 9211904, 18423808]

約数ペア:

[(1, 18423808), (2, 9211904), (4, 4605952), (8, 2302976), (13, 1417216), (16, 1151488), (26, 708608), (32, 575744), (52, 354304), (64, 287872), (104, 177152), (128, 143936), (173, 106496), (208, 88576), (256, 71968), (346, 53248), (416, 44288), (512, 35984), (692, 26624), (832, 22144), (1024, 17992), (1384, 13312), (1664, 11072), (2048, 8996), (2249, 8192), (2768, 6656), (3328, 5536), (4096, 4498)]