18980936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{182509}}^1$

素因数の和:182528

約数の個数: 16

約数和(自身を含む): 38327100

約数和(自身を除く): 19346164

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 182509, 365018, 730036, 1460072, 2372617, 4745234, 9490468, 18980936]

約数ペア:

[(1, 18980936), (2, 9490468), (4, 4745234), (8, 2372617), (13, 1460072), (26, 730036), (52, 365018), (104, 182509)]