19476236

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 37753632

約数和(自身を除く): 18277396

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 611, 613, 676, 1222, 1226, 2444, 2452, 7943, 7969, 15886, 15938, 28811, 31772, 31876, 57622, 103597, 115244, 207194, 374543, 414388, 749086, 1498172, 4869059, 9738118, 19476236]

約数ペア:

[(1, 19476236), (2, 9738118), (4, 4869059), (13, 1498172), (26, 749086), (47, 414388), (52, 374543), (94, 207194), (169, 115244), (188, 103597), (338, 57622), (611, 31876), (613, 31772), (676, 28811), (1222, 15938), (1226, 15886), (2444, 7969), (2452, 7943)]