18744411

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4397}}^1$

素因数の和:4443

約数の個数: 24

約数和(自身を含む): 30082320

約数和(自身を除く): 11337909

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4397, 13191, 30779, 92337, 127513, 215453, 382539, 646359, 892591, 2677773, 6248137, 18744411]

約数ペア:

[(1, 18744411), (3, 6248137), (7, 2677773), (21, 892591), (29, 646359), (49, 382539), (87, 215453), (147, 127513), (203, 92337), (609, 30779), (1421, 13191), (4263, 4397)]