19118646

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{727}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 42631680

約数和(自身を除く): 23513034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 727, 974, 1454, 1461, 2181, 2922, 4362, 4383, 6543, 8766, 13086, 13149, 19629, 26298, 39258, 354049, 708098, 1062147, 2124294, 3186441, 6372882, 9559323, 19118646]

約数ペア:

[(1, 19118646), (2, 9559323), (3, 6372882), (6, 3186441), (9, 2124294), (18, 1062147), (27, 708098), (54, 354049), (487, 39258), (727, 26298), (974, 19629), (1454, 13149), (1461, 13086), (2181, 8766), (2922, 6543), (4362, 4383)]