19076260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 46327680

約数和(自身を除く): 27251420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1531, 1780, 2492, 3062, 3115, 6124, 6230, 7655, 10717, 12460, 15310, 21434, 30620, 42868, 53585, 107170, 136259, 214340, 272518, 545036, 681295, 953813, 1362590, 1907626, 2725180, 3815252, 4769065, 9538130, 19076260]

約数ペア:

[(1, 19076260), (2, 9538130), (4, 4769065), (5, 3815252), (7, 2725180), (10, 1907626), (14, 1362590), (20, 953813), (28, 681295), (35, 545036), (70, 272518), (89, 214340), (140, 136259), (178, 107170), (356, 53585), (445, 42868), (623, 30620), (890, 21434), (1246, 15310), (1531, 12460), (1780, 10717), (2492, 7655), (3062, 6230), (3115, 6124)]