20181272944

素因数分解:

$2^4\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{148549}}^1$

素因数の和:149777

約数の個数: 40

約数和(自身を含む): 44724245600

約数和(自身を除く): 24542972656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1213, 2426, 4852, 8491, 9704, 16982, 19408, 33964, 67928, 135856, 148549, 297098, 594196, 1039843, 1188392, 2079686, 2376784, 4159372, 8318744, 16637488, 180189937, 360379874, 720759748, 1261329559, 1441519496, 2522659118, 2883038992, 5045318236, 10090636472, 20181272944]

約数ペア:

[(1, 20181272944), (2, 10090636472), (4, 5045318236), (7, 2883038992), (8, 2522659118), (14, 1441519496), (16, 1261329559), (28, 720759748), (56, 360379874), (112, 180189937), (1213, 16637488), (2426, 8318744), (4852, 4159372), (8491, 2376784), (9704, 2079686), (16982, 1188392), (19408, 1039843), (33964, 594196), (67928, 297098), (135856, 148549)]