18777512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 19687768

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2543, 3692, 5086, 7384, 10172, 20344, 33059, 66118, 132236, 180553, 264472, 361106, 722212, 1444424, 2347189, 4694378, 9388756, 18777512]

約数ペア:

[(1, 18777512), (2, 9388756), (4, 4694378), (8, 2347189), (13, 1444424), (26, 722212), (52, 361106), (71, 264472), (104, 180553), (142, 132236), (284, 66118), (568, 33059), (923, 20344), (1846, 10172), (2543, 7384), (3692, 5086)]