18931352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5003}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 39631680

約数和(自身を除く): 20700328

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5003, 10006, 20012, 40024, 55033, 110066, 215129, 220132, 430258, 440264, 860516, 1721032, 2366419, 4732838, 9465676, 18931352]

約数ペア:

[(1, 18931352), (2, 9465676), (4, 4732838), (8, 2366419), (11, 1721032), (22, 860516), (43, 440264), (44, 430258), (86, 220132), (88, 215129), (172, 110066), (344, 55033), (473, 40024), (946, 20012), (1892, 10006), (3784, 5003)]