19802752

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 40024800

約数和(自身を除く): 20222048

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2179, 2272, 4358, 4544, 8716, 9088, 17432, 34864, 69728, 139456, 154709, 278912, 309418, 618836, 1237672, 2475344, 4950688, 9901376, 19802752]

約数ペア:

[(1, 19802752), (2, 9901376), (4, 4950688), (8, 2475344), (16, 1237672), (32, 618836), (64, 309418), (71, 278912), (128, 154709), (142, 139456), (284, 69728), (568, 34864), (1136, 17432), (2179, 9088), (2272, 8716), (4358, 4544)]