18004455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 36289344

約数和(自身を除く): 18284889

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 937, 1281, 2135, 2745, 2811, 3843, 4685, 6405, 6559, 8433, 14055, 19215, 19677, 32795, 42165, 57157, 59031, 98385, 171471, 285785, 295155, 400099, 514413, 857355, 1200297, 2000495, 2572065, 3600891, 6001485, 18004455]

約数ペア:

[(1, 18004455), (3, 6001485), (5, 3600891), (7, 2572065), (9, 2000495), (15, 1200297), (21, 857355), (35, 514413), (45, 400099), (61, 295155), (63, 285785), (105, 171471), (183, 98385), (305, 59031), (315, 57157), (427, 42165), (549, 32795), (915, 19677), (937, 19215), (1281, 14055), (2135, 8433), (2745, 6559), (2811, 6405), (3843, 4685)]