18771164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4133

約数の個数: 24

約数和(自身を含む): 35154000

約数和(自身を除く): 16382836

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4049, 4636, 8098, 16196, 76931, 153862, 246989, 307724, 493978, 987956, 4692791, 9385582, 18771164]

約数ペア:

[(1, 18771164), (2, 9385582), (4, 4692791), (19, 987956), (38, 493978), (61, 307724), (76, 246989), (122, 153862), (244, 76931), (1159, 16196), (2318, 8098), (4049, 4636)]