18959906

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6073}}^1$

素因数の和:6305

約数の個数: 16

約数和(自身を含む): 32653824

約数和(自身を除く): 13693918

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 6073, 12146, 42511, 85022, 1354279, 2708558, 9479953, 18959906]

約数ペア:

[(1, 18959906), (2, 9479953), (7, 2708558), (14, 1354279), (223, 85022), (446, 42511), (1561, 12146), (3122, 6073)]