18147628

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 32432400

約数和(自身を除く): 14284772

約数列:

[1, 2, 4, 107, 109, 214, 218, 389, 428, 436, 778, 1556, 11663, 23326, 41623, 42401, 46652, 83246, 84802, 166492, 169604, 4536907, 9073814, 18147628]

約数ペア:

[(1, 18147628), (2, 9073814), (4, 4536907), (107, 169604), (109, 166492), (214, 84802), (218, 83246), (389, 46652), (428, 42401), (436, 41623), (778, 23326), (1556, 11663)]