19763854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 14346866

約数列:

[1, 2, 11, 22, 23, 46, 139, 253, 278, 281, 506, 562, 1529, 3058, 3091, 3197, 6182, 6394, 6463, 12926, 35167, 39059, 70334, 71093, 78118, 142186, 429649, 859298, 898357, 1796714, 9881927, 19763854]

約数ペア:

[(1, 19763854), (2, 9881927), (11, 1796714), (22, 898357), (23, 859298), (46, 429649), (139, 142186), (253, 78118), (278, 71093), (281, 70334), (506, 39059), (562, 35167), (1529, 12926), (3058, 6463), (3091, 6394), (3197, 6182)]