18218872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17123}}^1$

素因数の和:17155

約数の個数: 32

約数和(自身を含む): 41097600

約数和(自身を除く): 22878728

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 17123, 34246, 68492, 119861, 136984, 239722, 325337, 479444, 650674, 958888, 1301348, 2277359, 2602696, 4554718, 9109436, 18218872]

約数ペア:

[(1, 18218872), (2, 9109436), (4, 4554718), (7, 2602696), (8, 2277359), (14, 1301348), (19, 958888), (28, 650674), (38, 479444), (56, 325337), (76, 239722), (133, 136984), (152, 119861), (266, 68492), (532, 34246), (1064, 17123)]