18966508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 36

約数和(自身を含む): 36867600

約数和(自身を除く): 17901092

約数列:

[1, 2, 4, 11, 22, 44, 121, 149, 242, 263, 298, 484, 526, 596, 1052, 1639, 2893, 3278, 5786, 6556, 11572, 18029, 31823, 36058, 39187, 63646, 72116, 78374, 127292, 156748, 431057, 862114, 1724228, 4741627, 9483254, 18966508]

約数ペア:

[(1, 18966508), (2, 9483254), (4, 4741627), (11, 1724228), (22, 862114), (44, 431057), (121, 156748), (149, 127292), (242, 78374), (263, 72116), (298, 63646), (484, 39187), (526, 36058), (596, 31823), (1052, 18029), (1639, 11572), (2893, 6556), (3278, 5786)]