18839180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7417}}^1$

素因数の和:7553

約数の個数: 24

約数和(自身を含む): 39879168

約数和(自身を除く): 21039988

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7417, 14834, 29668, 37085, 74170, 148340, 941959, 1883918, 3767836, 4709795, 9419590, 18839180]

約数ペア:

[(1, 18839180), (2, 9419590), (4, 4709795), (5, 3767836), (10, 1883918), (20, 941959), (127, 148340), (254, 74170), (508, 37085), (635, 29668), (1270, 14834), (2540, 7417)]