19340884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4889}}^1$

素因数の和:4959

約数の個数: 24

約数和(自身を含む): 36146880

約数和(自身を除く): 16805996

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 4889, 9778, 19556, 112447, 210227, 224894, 420454, 449788, 840908, 4835221, 9670442, 19340884]

約数ペア:

[(1, 19340884), (2, 9670442), (4, 4835221), (23, 840908), (43, 449788), (46, 420454), (86, 224894), (92, 210227), (172, 112447), (989, 19556), (1978, 9778), (3956, 4889)]