18900340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25541}}^1$

素因数の和:25587

約数の個数: 24

約数和(自身を含む): 40765032

約数和(自身を除く): 21864692

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 25541, 51082, 102164, 127705, 255410, 510820, 945017, 1890034, 3780068, 4725085, 9450170, 18900340]

約数ペア:

[(1, 18900340), (2, 9450170), (4, 4725085), (5, 3780068), (10, 1890034), (20, 945017), (37, 510820), (74, 255410), (148, 127705), (185, 102164), (370, 51082), (740, 25541)]