18818156

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1433}}^1$

素因数の和:1518

約数の個数: 36

約数和(自身を含む): 38907288

約数和(自身を除く): 20089132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1433, 1876, 2866, 3283, 5732, 6566, 10031, 13132, 20062, 40124, 70217, 96011, 140434, 192022, 280868, 384044, 672077, 1344154, 2688308, 4704539, 9409078, 18818156]

約数ペア:

[(1, 18818156), (2, 9409078), (4, 4704539), (7, 2688308), (14, 1344154), (28, 672077), (49, 384044), (67, 280868), (98, 192022), (134, 140434), (196, 96011), (268, 70217), (469, 40124), (938, 20062), (1433, 13132), (1876, 10031), (2866, 6566), (3283, 5732)]