18061191

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 30175200

約数和(自身を除く): 12114009

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 109, 153, 171, 323, 327, 361, 459, 513, 969, 981, 1083, 1853, 2071, 2907, 2943, 3249, 5559, 6137, 6213, 8721, 9747, 16677, 18411, 18639, 35207, 39349, 50031, 55233, 55917, 105621, 118047, 165699, 316863, 354141, 668933, 950589, 1062423, 2006799, 6020397, 18061191]

約数ペア:

[(1, 18061191), (3, 6020397), (9, 2006799), (17, 1062423), (19, 950589), (27, 668933), (51, 354141), (57, 316863), (109, 165699), (153, 118047), (171, 105621), (323, 55917), (327, 55233), (361, 50031), (459, 39349), (513, 35207), (969, 18639), (981, 18411), (1083, 16677), (1853, 9747), (2071, 8721), (2907, 6213), (2943, 6137), (3249, 5559)]