18247299

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11903}}^1$

素因数の和:11986

約数の個数: 16

約数和(自身を含む): 28188672

約数和(自身を除く): 9941373

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 11903, 35709, 83321, 249963, 868919, 2606757, 6082433, 18247299]

約数ペア:

[(1, 18247299), (3, 6082433), (7, 2606757), (21, 868919), (73, 249963), (219, 83321), (511, 35709), (1533, 11903)]