18065418

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 43037280

約数和(自身を除く): 24971862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1429, 1806, 2107, 2858, 4214, 4287, 6321, 8574, 10003, 12642, 20006, 30009, 60018, 61447, 70021, 122894, 140042, 184341, 210063, 368682, 420126, 430129, 860258, 1290387, 2580774, 3010903, 6021806, 9032709, 18065418]

約数ペア:

[(1, 18065418), (2, 9032709), (3, 6021806), (6, 3010903), (7, 2580774), (14, 1290387), (21, 860258), (42, 430129), (43, 420126), (49, 368682), (86, 210063), (98, 184341), (129, 140042), (147, 122894), (258, 70021), (294, 61447), (301, 60018), (602, 30009), (903, 20006), (1429, 12642), (1806, 10003), (2107, 8574), (2858, 6321), (4214, 4287)]