18641812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 39907840

約数和(自身を除く): 21266028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 523, 532, 938, 1046, 1273, 1876, 2092, 2546, 3661, 5092, 7322, 8911, 9937, 14644, 17822, 19874, 35041, 35644, 39748, 69559, 70082, 139118, 140164, 245287, 278236, 490574, 665779, 981148, 1331558, 2663116, 4660453, 9320906, 18641812]

約数ペア:

[(1, 18641812), (2, 9320906), (4, 4660453), (7, 2663116), (14, 1331558), (19, 981148), (28, 665779), (38, 490574), (67, 278236), (76, 245287), (133, 140164), (134, 139118), (266, 70082), (268, 69559), (469, 39748), (523, 35644), (532, 35041), (938, 19874), (1046, 17822), (1273, 14644), (1876, 9937), (2092, 8911), (2546, 7322), (3661, 5092)]