18358208

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:405

約数の個数: 56

約数和(自身を含む): 40325040

約数和(自身を除く): 21966832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 176, 178, 293, 352, 356, 586, 704, 712, 979, 1172, 1424, 1958, 2344, 2848, 3223, 3916, 4688, 5696, 6446, 7832, 9376, 12892, 15664, 18752, 25784, 26077, 31328, 51568, 52154, 62656, 103136, 104308, 206272, 208616, 286847, 417232, 573694, 834464, 1147388, 1668928, 2294776, 4589552, 9179104, 18358208]

約数ペア:

[(1, 18358208), (2, 9179104), (4, 4589552), (8, 2294776), (11, 1668928), (16, 1147388), (22, 834464), (32, 573694), (44, 417232), (64, 286847), (88, 208616), (89, 206272), (176, 104308), (178, 103136), (293, 62656), (352, 52154), (356, 51568), (586, 31328), (704, 26077), (712, 25784), (979, 18752), (1172, 15664), (1424, 12892), (1958, 9376), (2344, 7832), (2848, 6446), (3223, 5696), (3916, 4688)]