18244564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 35002044

約数和(自身を除く): 16757480

約数列:

[1, 2, 4, 13, 26, 52, 137, 169, 197, 274, 338, 394, 548, 676, 788, 1781, 2561, 3562, 5122, 7124, 10244, 23153, 26989, 33293, 46306, 53978, 66586, 92612, 107956, 133172, 350857, 701714, 1403428, 4561141, 9122282, 18244564]

約数ペア:

[(1, 18244564), (2, 9122282), (4, 4561141), (13, 1403428), (26, 701714), (52, 350857), (137, 133172), (169, 107956), (197, 92612), (274, 66586), (338, 53978), (394, 46306), (548, 33293), (676, 26989), (788, 23153), (1781, 10244), (2561, 7124), (3562, 5122)]