19973492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64849}}^1$

素因数の和:64871

約数の個数: 24

約数和(自身を含む): 43579200

約数和(自身を除く): 23605708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64849, 129698, 259396, 453943, 713339, 907886, 1426678, 1815772, 2853356, 4993373, 9986746, 19973492]

約数ペア:

[(1, 19973492), (2, 9986746), (4, 4993373), (7, 2853356), (11, 1815772), (14, 1426678), (22, 907886), (28, 713339), (44, 453943), (77, 259396), (154, 129698), (308, 64849)]