18761984

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:982

約数の個数: 36

約数和(自身を含む): 37944816

約数和(自身を除く): 19182832

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 664, 883, 1328, 1766, 2656, 3532, 5312, 7064, 10624, 14128, 21248, 28256, 56512, 73289, 113024, 146578, 226048, 293156, 586312, 1172624, 2345248, 4690496, 9380992, 18761984]

約数ペア:

[(1, 18761984), (2, 9380992), (4, 4690496), (8, 2345248), (16, 1172624), (32, 586312), (64, 293156), (83, 226048), (128, 146578), (166, 113024), (256, 73289), (332, 56512), (664, 28256), (883, 21248), (1328, 14128), (1766, 10624), (2656, 7064), (3532, 5312)]