18453711280

素因数分解:

$2^4\times 5^1\times {\mathrm{230671391}}^1$

素因数の和:230671404

約数の個数: 20

約数和(自身を含む): 42904878912

約数和(自身を除く): 24451167632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230671391, 461342782, 922685564, 1153356955, 1845371128, 2306713910, 3690742256, 4613427820, 9226855640, 18453711280]

約数ペア:

[(1, 18453711280), (2, 9226855640), (4, 4613427820), (5, 3690742256), (8, 2306713910), (10, 1845371128), (16, 1153356955), (20, 922685564), (40, 461342782), (80, 230671391)]