18560475

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 35235840

約数和(自身を除く): 16675365

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 887, 1395, 2325, 2661, 4185, 4435, 6975, 7983, 13305, 20925, 22175, 23949, 27497, 39915, 66525, 82491, 119745, 137485, 199575, 247473, 412455, 598725, 687425, 742419, 1237365, 2062275, 3712095, 6186825, 18560475]

約数ペア:

[(1, 18560475), (3, 6186825), (5, 3712095), (9, 2062275), (15, 1237365), (25, 742419), (27, 687425), (31, 598725), (45, 412455), (75, 247473), (93, 199575), (135, 137485), (155, 119745), (225, 82491), (279, 66525), (465, 39915), (675, 27497), (775, 23949), (837, 22175), (887, 20925), (1395, 13305), (2325, 7983), (2661, 6975), (4185, 4435)]