18129710

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 15618130

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 433, 530, 790, 866, 2165, 4187, 4330, 8374, 20935, 22949, 34207, 41870, 45898, 68414, 114745, 171035, 229490, 342070, 1812971, 3625942, 9064855, 18129710]

約数ペア:

[(1, 18129710), (2, 9064855), (5, 3625942), (10, 1812971), (53, 342070), (79, 229490), (106, 171035), (158, 114745), (265, 68414), (395, 45898), (433, 41870), (530, 34207), (790, 22949), (866, 20935), (2165, 8374), (4187, 4330)]