18118184

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 20891416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1289, 1757, 2008, 2578, 3514, 5156, 7028, 9023, 10312, 14056, 18046, 36092, 72184, 323539, 647078, 1294156, 2264773, 2588312, 4529546, 9059092, 18118184]

約数ペア:

[(1, 18118184), (2, 9059092), (4, 4529546), (7, 2588312), (8, 2264773), (14, 1294156), (28, 647078), (56, 323539), (251, 72184), (502, 36092), (1004, 18046), (1289, 14056), (1757, 10312), (2008, 9023), (2578, 7028), (3514, 5156)]