18854528

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1913}}^1$

素因数の和:1945

約数の個数: 64

約数和(自身を含む): 46854720

約数和(自身を除く): 28000192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 1913, 2464, 3826, 4928, 7652, 9856, 13391, 15304, 21043, 26782, 30608, 42086, 53564, 61216, 84172, 107128, 122432, 147301, 168344, 214256, 244864, 294602, 336688, 428512, 589204, 673376, 857024, 1178408, 1346752, 1714048, 2356816, 2693504, 4713632, 9427264, 18854528]

約数ペア:

[(1, 18854528), (2, 9427264), (4, 4713632), (7, 2693504), (8, 2356816), (11, 1714048), (14, 1346752), (16, 1178408), (22, 857024), (28, 673376), (32, 589204), (44, 428512), (56, 336688), (64, 294602), (77, 244864), (88, 214256), (112, 168344), (128, 147301), (154, 122432), (176, 107128), (224, 84172), (308, 61216), (352, 53564), (448, 42086), (616, 30608), (704, 26782), (896, 21043), (1232, 15304), (1408, 13391), (1913, 9856), (2464, 7652), (3826, 4928)]