18393856

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5527}}^1$

素因数の和:5556

約数の個数: 36

約数和(自身を含む): 39547312

約数和(自身を除く): 21153456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5527, 11054, 22108, 44216, 71851, 88432, 143702, 176864, 287404, 353728, 574808, 707456, 1149616, 1414912, 2299232, 4598464, 9196928, 18393856]

約数ペア:

[(1, 18393856), (2, 9196928), (4, 4598464), (8, 2299232), (13, 1414912), (16, 1149616), (26, 707456), (32, 574808), (52, 353728), (64, 287404), (104, 176864), (128, 143702), (208, 88432), (256, 71851), (416, 44216), (832, 22108), (1664, 11054), (3328, 5527)]