18977024

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 43267392

約数和(自身を除く): 24290368

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 256, 293, 352, 368, 506, 586, 704, 736, 1012, 1172, 1408, 1472, 2024, 2344, 2816, 2944, 3223, 4048, 4688, 5888, 6446, 6739, 8096, 9376, 12892, 13478, 16192, 18752, 25784, 26956, 32384, 37504, 51568, 53912, 64768, 74129, 75008, 103136, 107824, 148258, 206272, 215648, 296516, 412544, 431296, 593032, 825088, 862592, 1186064, 1725184, 2372128, 4744256, 9488512, 18977024]

約数ペア:

[(1, 18977024), (2, 9488512), (4, 4744256), (8, 2372128), (11, 1725184), (16, 1186064), (22, 862592), (23, 825088), (32, 593032), (44, 431296), (46, 412544), (64, 296516), (88, 215648), (92, 206272), (128, 148258), (176, 107824), (184, 103136), (253, 75008), (256, 74129), (293, 64768), (352, 53912), (368, 51568), (506, 37504), (586, 32384), (704, 26956), (736, 25784), (1012, 18752), (1172, 16192), (1408, 13478), (1472, 12892), (2024, 9376), (2344, 8096), (2816, 6739), (2944, 6446), (3223, 5888), (4048, 4688)]