18681201

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3851}}^1$

素因数の和:3882

約数の個数: 36

約数和(自身を含む): 34251984

約数和(自身を除く): 15570783

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 3851, 4851, 11553, 26957, 34659, 42361, 80871, 127083, 188699, 242613, 296527, 381249, 566097, 889581, 1698291, 2075689, 2668743, 6227067, 18681201]

約数ペア:

[(1, 18681201), (3, 6227067), (7, 2668743), (9, 2075689), (11, 1698291), (21, 889581), (33, 566097), (49, 381249), (63, 296527), (77, 242613), (99, 188699), (147, 127083), (231, 80871), (441, 42361), (539, 34659), (693, 26957), (1617, 11553), (3851, 4851)]