19846838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 34497792

約数和(自身を除く): 14650954

約数列:

[1, 2, 11, 22, 23, 46, 61, 122, 253, 506, 643, 671, 1286, 1342, 1403, 2806, 7073, 14146, 14789, 15433, 29578, 30866, 39223, 78446, 162679, 325358, 431453, 862906, 902129, 1804258, 9923419, 19846838]

約数ペア:

[(1, 19846838), (2, 9923419), (11, 1804258), (22, 902129), (23, 862906), (46, 431453), (61, 325358), (122, 162679), (253, 78446), (506, 39223), (643, 30866), (671, 29578), (1286, 15433), (1342, 14789), (1403, 14146), (2806, 7073)]