18442971

素因数分解:

$3^9\times {\mathrm{937}}^1$

素因数の和:964

約数の個数: 20

約数和(自身を含む): 27693512

約数和(自身を除く): 9250541

約数列:

[1, 3, 9, 27, 81, 243, 729, 937, 2187, 2811, 6561, 8433, 19683, 25299, 75897, 227691, 683073, 2049219, 6147657, 18442971]

約数ペア:

[(1, 18442971), (3, 6147657), (9, 2049219), (27, 683073), (81, 227691), (243, 75897), (729, 25299), (937, 19683), (2187, 8433), (2811, 6561)]