919568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4442

約数の個数: 20

約数和(自身を含む): 1919148

約数和(自身を除く): 999580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4421, 8842, 17684, 35368, 57473, 70736, 114946, 229892, 459784, 919568]

約数ペア:

[(1, 919568), (2, 459784), (4, 229892), (8, 114946), (13, 70736), (16, 57473), (26, 35368), (52, 17684), (104, 8842), (208, 4421)]