18713728

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13291}}^1$

素因数の和:13316

約数の個数: 32

約数和(自身を含む): 40673520

約数和(自身を除く): 21959792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 13291, 26582, 53164, 106328, 146201, 212656, 292402, 425312, 584804, 850624, 1169608, 1701248, 2339216, 4678432, 9356864, 18713728]

約数ペア:

[(1, 18713728), (2, 9356864), (4, 4678432), (8, 2339216), (11, 1701248), (16, 1169608), (22, 850624), (32, 584804), (44, 425312), (64, 292402), (88, 212656), (128, 146201), (176, 106328), (352, 53164), (704, 26582), (1408, 13291)]