19847624

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 38283840

約数和(自身を除く): 18436216

約数列:

[1, 2, 4, 8, 71, 83, 142, 166, 284, 332, 421, 568, 664, 842, 1684, 3368, 5893, 11786, 23572, 29891, 34943, 47144, 59782, 69886, 119564, 139772, 239128, 279544, 2480953, 4961906, 9923812, 19847624]

約数ペア:

[(1, 19847624), (2, 9923812), (4, 4961906), (8, 2480953), (71, 279544), (83, 239128), (142, 139772), (166, 119564), (284, 69886), (332, 59782), (421, 47144), (568, 34943), (664, 29891), (842, 23572), (1684, 11786), (3368, 5893)]