18347648

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 40612320

約数和(自身を除く): 22264672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 83, 88, 128, 157, 166, 176, 314, 332, 352, 628, 664, 704, 913, 1256, 1328, 1408, 1727, 1826, 2512, 2656, 3454, 3652, 5024, 5312, 6908, 7304, 10048, 10624, 13031, 13816, 14608, 20096, 26062, 27632, 29216, 52124, 55264, 58432, 104248, 110528, 116864, 143341, 208496, 221056, 286682, 416992, 573364, 833984, 1146728, 1667968, 2293456, 4586912, 9173824, 18347648]

約数ペア:

[(1, 18347648), (2, 9173824), (4, 4586912), (8, 2293456), (11, 1667968), (16, 1146728), (22, 833984), (32, 573364), (44, 416992), (64, 286682), (83, 221056), (88, 208496), (128, 143341), (157, 116864), (166, 110528), (176, 104248), (314, 58432), (332, 55264), (352, 52124), (628, 29216), (664, 27632), (704, 26062), (913, 20096), (1256, 14608), (1328, 13816), (1408, 13031), (1727, 10624), (1826, 10048), (2512, 7304), (2656, 6908), (3454, 5312), (3652, 5024)]