18111885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 15672243

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 587, 605, 935, 1761, 1815, 2057, 2805, 2935, 6171, 6457, 8805, 9979, 10285, 19371, 29937, 30855, 32285, 49895, 71027, 96855, 109769, 149685, 213081, 329307, 355135, 548845, 1065405, 1207459, 1646535, 3622377, 6037295, 18111885]

約数ペア:

[(1, 18111885), (3, 6037295), (5, 3622377), (11, 1646535), (15, 1207459), (17, 1065405), (33, 548845), (51, 355135), (55, 329307), (85, 213081), (121, 149685), (165, 109769), (187, 96855), (255, 71027), (363, 49895), (561, 32285), (587, 30855), (605, 29937), (935, 19371), (1761, 10285), (1815, 9979), (2057, 8805), (2805, 6457), (2935, 6171)]