18956894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 32883840

約数和(自身を除く): 13926946

約数列:

[1, 2, 11, 22, 29, 43, 58, 86, 319, 473, 638, 691, 946, 1247, 1382, 2494, 7601, 13717, 15202, 20039, 27434, 29713, 40078, 59426, 220429, 326843, 440858, 653686, 861677, 1723354, 9478447, 18956894]

約数ペア:

[(1, 18956894), (2, 9478447), (11, 1723354), (22, 861677), (29, 653686), (43, 440858), (58, 326843), (86, 220429), (319, 59426), (473, 40078), (638, 29713), (691, 27434), (946, 20039), (1247, 15202), (1382, 13717), (2494, 7601)]