18946004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 22785196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 449, 548, 898, 959, 1507, 1796, 1918, 3014, 3143, 3836, 4939, 6028, 6286, 9878, 10549, 12572, 19756, 21098, 34573, 42196, 61513, 69146, 123026, 138292, 246052, 430591, 676643, 861182, 1353286, 1722364, 2706572, 4736501, 9473002, 18946004]

約数ペア:

[(1, 18946004), (2, 9473002), (4, 4736501), (7, 2706572), (11, 1722364), (14, 1353286), (22, 861182), (28, 676643), (44, 430591), (77, 246052), (137, 138292), (154, 123026), (274, 69146), (308, 61513), (449, 42196), (548, 34573), (898, 21098), (959, 19756), (1507, 12572), (1796, 10549), (1918, 9878), (3014, 6286), (3143, 6028), (3836, 4939)]