18717260

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7369}}^1$

素因数の和:7505

約数の個数: 24

約数和(自身を含む): 39621120

約数和(自身を除く): 20903860

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7369, 14738, 29476, 36845, 73690, 147380, 935863, 1871726, 3743452, 4679315, 9358630, 18717260]

約数ペア:

[(1, 18717260), (2, 9358630), (4, 4679315), (5, 3743452), (10, 1871726), (20, 935863), (127, 147380), (254, 73690), (508, 36845), (635, 29476), (1270, 14738), (2540, 7369)]