18894708

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2777}}^1$

素因数の和:2803

約数の個数: 72

約数和(自身を含む): 56626752

約数和(自身を除く): 37732044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2777, 3402, 5554, 6804, 8331, 11108, 16662, 19439, 24993, 33324, 38878, 49986, 58317, 74979, 77756, 99972, 116634, 149958, 174951, 224937, 233268, 299916, 349902, 449874, 524853, 674811, 699804, 899748, 1049706, 1349622, 1574559, 2099412, 2699244, 3149118, 4723677, 6298236, 9447354, 18894708]

約数ペア:

[(1, 18894708), (2, 9447354), (3, 6298236), (4, 4723677), (6, 3149118), (7, 2699244), (9, 2099412), (12, 1574559), (14, 1349622), (18, 1049706), (21, 899748), (27, 699804), (28, 674811), (36, 524853), (42, 449874), (54, 349902), (63, 299916), (81, 233268), (84, 224937), (108, 174951), (126, 149958), (162, 116634), (189, 99972), (243, 77756), (252, 74979), (324, 58317), (378, 49986), (486, 38878), (567, 33324), (756, 24993), (972, 19439), (1134, 16662), (1701, 11108), (2268, 8331), (2777, 6804), (3402, 5554)]