18001904

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{1723}}^1$

素因数の和:2384

約数の個数: 20

約数和(自身を含む): 34952376

約数和(自身を除く): 16950472

約数列:

[1, 2, 4, 8, 16, 653, 1306, 1723, 2612, 3446, 5224, 6892, 10448, 13784, 27568, 1125119, 2250238, 4500476, 9000952, 18001904]

約数ペア:

[(1, 18001904), (2, 9000952), (4, 4500476), (8, 2250238), (16, 1125119), (653, 27568), (1306, 13784), (1723, 10448), (2612, 6892), (3446, 5224)]