19406870780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{161267}}^1$

素因数の和:161834

約数の個数: 48

約数和(自身を含む): 44540931456

約数和(自身を除く): 25134060676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 547, 1094, 2188, 2735, 5470, 6017, 10940, 12034, 24068, 30085, 60170, 120340, 161267, 322534, 645068, 806335, 1612670, 1773937, 3225340, 3547874, 7095748, 8869685, 17739370, 35478740, 88213049, 176426098, 352852196, 441065245, 882130490, 970343539, 1764260980, 1940687078, 3881374156, 4851717695, 9703435390, 19406870780]

約数ペア:

[(1, 19406870780), (2, 9703435390), (4, 4851717695), (5, 3881374156), (10, 1940687078), (11, 1764260980), (20, 970343539), (22, 882130490), (44, 441065245), (55, 352852196), (110, 176426098), (220, 88213049), (547, 35478740), (1094, 17739370), (2188, 8869685), (2735, 7095748), (5470, 3547874), (6017, 3225340), (10940, 1773937), (12034, 1612670), (24068, 806335), (30085, 645068), (60170, 322534), (120340, 161267)]