18891674

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 9957286

約数列:

[1, 2, 89, 178, 211, 422, 503, 1006, 18779, 37558, 44767, 89534, 106133, 212266, 9445837, 18891674]

約数ペア:

[(1, 18891674), (2, 9445837), (89, 212266), (178, 106133), (211, 89534), (422, 44767), (503, 37558), (1006, 18779)]