18694560538

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1\times {\mathrm{2179}}^1$

素因数の和:2734

約数の個数: 32

約数和(自身を含む): 28643630400

約数和(自身を除く): 9949069862

約数列:

[1, 2, 89, 157, 178, 307, 314, 614, 2179, 4358, 13973, 27323, 27946, 48199, 54646, 96398, 193931, 342103, 387862, 668953, 684206, 1337906, 4289711, 8579422, 30447167, 59536817, 60894334, 105025621, 119073634, 210051242, 9347280269, 18694560538]

約数ペア:

[(1, 18694560538), (2, 9347280269), (89, 210051242), (157, 119073634), (178, 105025621), (307, 60894334), (314, 59536817), (614, 30447167), (2179, 8579422), (4358, 4289711), (13973, 1337906), (27323, 684206), (27946, 668953), (48199, 387862), (54646, 342103), (96398, 193931)]