18219636

素因数分解:

$2^2\times 3^2\times {\mathrm{506101}}^1$

素因数の和:506111

約数の個数: 18

約数和(自身を含む): 46055282

約数和(自身を除く): 27835646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 506101, 1012202, 1518303, 2024404, 3036606, 4554909, 6073212, 9109818, 18219636]

約数ペア:

[(1, 18219636), (2, 9109818), (3, 6073212), (4, 4554909), (6, 3036606), (9, 2024404), (12, 1518303), (18, 1012202), (36, 506101)]