19321264

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1489}}^1$

素因数の和:2308

約数の個数: 20

約数和(自身を含む): 37506280

約数和(自身を除く): 18185016

約数列:

[1, 2, 4, 8, 16, 811, 1489, 1622, 2978, 3244, 5956, 6488, 11912, 12976, 23824, 1207579, 2415158, 4830316, 9660632, 19321264]

約数ペア:

[(1, 19321264), (2, 9660632), (4, 4830316), (8, 2415158), (16, 1207579), (811, 23824), (1489, 12976), (1622, 11912), (2978, 6488), (3244, 5956)]