18318385385

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{74159}}^1$

素因数の和:74680

約数の個数: 16

約数和(自身を含む): 22212403200

約数和(自身を除く): 3894017815

約数列:

[1, 5, 127, 389, 635, 1945, 49403, 74159, 247015, 370795, 9418193, 28847851, 47090965, 144239255, 3663677077, 18318385385]

約数ペア:

[(1, 18318385385), (5, 3663677077), (127, 144239255), (389, 47090965), (635, 28847851), (1945, 9418193), (49403, 370795), (74159, 247015)]