18364984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1153}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 37805040

約数和(自身を除く): 19440056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 362, 724, 1153, 1448, 1991, 2306, 3982, 4612, 7964, 9224, 12683, 15928, 25366, 50732, 101464, 208693, 417386, 834772, 1669544, 2295623, 4591246, 9182492, 18364984]

約数ペア:

[(1, 18364984), (2, 9182492), (4, 4591246), (8, 2295623), (11, 1669544), (22, 834772), (44, 417386), (88, 208693), (181, 101464), (362, 50732), (724, 25366), (1153, 15928), (1448, 12683), (1991, 9224), (2306, 7964), (3982, 4612)]