18560128

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{1747}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 37442160

約数和(自身を除く): 18882032

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 1747, 2656, 3494, 5312, 6988, 10624, 13976, 27952, 55904, 111808, 145001, 223616, 290002, 580004, 1160008, 2320016, 4640032, 9280064, 18560128]

約数ペア:

[(1, 18560128), (2, 9280064), (4, 4640032), (8, 2320016), (16, 1160008), (32, 580004), (64, 290002), (83, 223616), (128, 145001), (166, 111808), (332, 55904), (664, 27952), (1328, 13976), (1747, 10624), (2656, 6988), (3494, 5312)]