18957512

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 41768460

約数和(自身を除く): 22810948

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 353, 392, 548, 706, 959, 1096, 1412, 1918, 2471, 2824, 3836, 4942, 6713, 7672, 9884, 13426, 17297, 19768, 26852, 34594, 48361, 53704, 69188, 96722, 138376, 193444, 338527, 386888, 677054, 1354108, 2369689, 2708216, 4739378, 9478756, 18957512]

約数ペア:

[(1, 18957512), (2, 9478756), (4, 4739378), (7, 2708216), (8, 2369689), (14, 1354108), (28, 677054), (49, 386888), (56, 338527), (98, 193444), (137, 138376), (196, 96722), (274, 69188), (353, 53704), (392, 48361), (548, 34594), (706, 26852), (959, 19768), (1096, 17297), (1412, 13426), (1918, 9884), (2471, 7672), (2824, 6713), (3836, 4942)]