18834868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1289}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 35650440

約数和(自身を除く): 16815572

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 1289, 2578, 3653, 5156, 7306, 14612, 16757, 33514, 67028, 362209, 724418, 1448836, 4708717, 9417434, 18834868]

約数ペア:

[(1, 18834868), (2, 9417434), (4, 4708717), (13, 1448836), (26, 724418), (52, 362209), (281, 67028), (562, 33514), (1124, 16757), (1289, 14612), (2578, 7306), (3653, 5156)]