19877396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5867}}^1$

素因数の和:5900

約数の個数: 36

約数和(自身を含む): 43704864

約数和(自身を除く): 23827468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5867, 11734, 23468, 41069, 64537, 82138, 129074, 164276, 258148, 451759, 709907, 903518, 1419814, 1807036, 2839628, 4969349, 9938698, 19877396]

約数ペア:

[(1, 19877396), (2, 9938698), (4, 4969349), (7, 2839628), (11, 1807036), (14, 1419814), (22, 903518), (28, 709907), (44, 451759), (77, 258148), (121, 164276), (154, 129074), (242, 82138), (308, 64537), (484, 41069), (847, 23468), (1694, 11734), (3388, 5867)]