19399816

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{2447}}^1$

素因数の和:3444

約数の個数: 16

約数和(自身を含む): 36426240

約数和(自身を除く): 17026424

約数列:

[1, 2, 4, 8, 991, 1982, 2447, 3964, 4894, 7928, 9788, 19576, 2424977, 4849954, 9699908, 19399816]

約数ペア:

[(1, 19399816), (2, 9699908), (4, 4849954), (8, 2424977), (991, 19576), (1982, 9788), (2447, 7928), (3964, 4894)]