30019316

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{20789}}^1$

素因数の和:20831

約数の個数: 18

約数和(自身を含む): 55446930

約数和(自身を除く): 25427614

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 20789, 41578, 83156, 394991, 789982, 1579964, 7504829, 15009658, 30019316]

約数ペア:

[(1, 30019316), (2, 15009658), (4, 7504829), (19, 1579964), (38, 789982), (76, 394991), (361, 83156), (722, 41578), (1444, 20789)]