18776380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3119}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 27349700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3119, 6020, 6238, 12476, 15595, 21833, 31190, 43666, 62380, 87332, 109165, 134117, 218330, 268234, 436660, 536468, 670585, 938819, 1341170, 1877638, 2682340, 3755276, 4694095, 9388190, 18776380]

約数ペア:

[(1, 18776380), (2, 9388190), (4, 4694095), (5, 3755276), (7, 2682340), (10, 1877638), (14, 1341170), (20, 938819), (28, 670585), (35, 536468), (43, 436660), (70, 268234), (86, 218330), (140, 134117), (172, 109165), (215, 87332), (301, 62380), (430, 43666), (602, 31190), (860, 21833), (1204, 15595), (1505, 12476), (3010, 6238), (3119, 6020)]