18117638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 34380288

約数和(自身を除く): 16262650

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1657, 3314, 5467, 10934, 11599, 18227, 23198, 36454, 117647, 127589, 235294, 255178, 823529, 1294117, 1647058, 2588234, 9058819, 18117638]

約数ペア:

[(1, 18117638), (2, 9058819), (7, 2588234), (11, 1647058), (14, 1294117), (22, 823529), (71, 255178), (77, 235294), (142, 127589), (154, 117647), (497, 36454), (781, 23198), (994, 18227), (1562, 11599), (1657, 10934), (3314, 5467)]