18980312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{182503}}^1$

素因数の和:182522

約数の個数: 16

約数和(自身を含む): 38325840

約数和(自身を除く): 19345528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 182503, 365006, 730012, 1460024, 2372539, 4745078, 9490156, 18980312]

約数ペア:

[(1, 18980312), (2, 9490156), (4, 4745078), (8, 2372539), (13, 1460024), (26, 730012), (52, 365006), (104, 182503)]