19967898

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2562

約数の個数: 32

約数和(自身を含む): 42647040

約数和(自身を除く): 22679142

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2467, 2698, 4047, 4934, 7401, 8094, 14802, 46873, 93746, 140619, 175157, 281238, 350314, 525471, 1050942, 3327983, 6655966, 9983949, 19967898]

約数ペア:

[(1, 19967898), (2, 9983949), (3, 6655966), (6, 3327983), (19, 1050942), (38, 525471), (57, 350314), (71, 281238), (114, 175157), (142, 140619), (213, 93746), (426, 46873), (1349, 14802), (2467, 8094), (2698, 7401), (4047, 4934)]