18839718

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{2999}}^1$

素因数の和:3356

約数の個数: 24

約数和(自身を含む): 40950000

約数和(自身を除く): 22110282

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 2999, 3141, 5998, 6282, 8997, 17994, 26991, 53982, 1046651, 2093302, 3139953, 6279906, 9419859, 18839718]

約数ペア:

[(1, 18839718), (2, 9419859), (3, 6279906), (6, 3139953), (9, 2093302), (18, 1046651), (349, 53982), (698, 26991), (1047, 17994), (2094, 8997), (2999, 6282), (3141, 5998)]