18784772

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 33833856

約数和(自身を除く): 15049084

約数列:

[1, 2, 4, 47, 94, 163, 188, 326, 613, 652, 1226, 2452, 7661, 15322, 28811, 30644, 57622, 99919, 115244, 199838, 399676, 4696193, 9392386, 18784772]

約数ペア:

[(1, 18784772), (2, 9392386), (4, 4696193), (47, 399676), (94, 199838), (163, 115244), (188, 99919), (326, 57622), (613, 30644), (652, 28811), (1226, 15322), (2452, 7661)]