18862155

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 37084320

約数和(自身を除く): 18222165

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 1697, 2223, 3705, 5091, 8485, 11115, 15273, 22061, 25455, 32243, 66183, 76365, 96729, 110305, 161215, 198549, 290187, 330915, 419159, 483645, 992745, 1257477, 1450935, 2095795, 3772431, 6287385, 18862155]

約数ペア:

[(1, 18862155), (3, 6287385), (5, 3772431), (9, 2095795), (13, 1450935), (15, 1257477), (19, 992745), (39, 483645), (45, 419159), (57, 330915), (65, 290187), (95, 198549), (117, 161215), (171, 110305), (195, 96729), (247, 76365), (285, 66183), (585, 32243), (741, 25455), (855, 22061), (1235, 15273), (1697, 11115), (2223, 8485), (3705, 5091)]