19033718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9721}}^1$

素因数の和:9823

約数の個数: 16

約数和(自身を含む): 31499280

約数和(自身を除く): 12465562

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9721, 19442, 106931, 213862, 865169, 1730338, 9516859, 19033718]

約数ペア:

[(1, 19033718), (2, 9516859), (11, 1730338), (22, 865169), (89, 213862), (178, 106931), (979, 19442), (1958, 9721)]