18830780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25447}}^1$

素因数の和:25493

約数の個数: 24

約数和(自身を含む): 40615008

約数和(自身を除く): 21784228

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 25447, 50894, 101788, 127235, 254470, 508940, 941539, 1883078, 3766156, 4707695, 9415390, 18830780]

約数ペア:

[(1, 18830780), (2, 9415390), (4, 4707695), (5, 3766156), (10, 1883078), (20, 941539), (37, 508940), (74, 254470), (148, 127235), (185, 101788), (370, 50894), (740, 25447)]